VLESS practice: Use user-sent VLESS UUID's 7th<<8 | 8th bytes as vlessRoute instead

https://github.com/XTLS/Xray-core/pull/5009#issuecomment-3195718690

Replaces 105b306d07

.github/workflows/docker.yml

@@ -65,7 +65,7 @@ jobs:
           echo "LATEST=$LATEST" >>${GITHUB_ENV}
 
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3

.github/workflows/release-win7.yml

@@ -63,7 +63,7 @@ jobs:
       CGO_ENABLED: 0
     steps:
       - name: Checkout codebase
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Show workflow information
         run: |
@@ -94,11 +94,11 @@ jobs:
           mkdir -p build_assets
           COMMID=$(git describe --always --dirty)
           echo 'Building Xray for Windows 7...'
-          go build -o build_assets/xray.exe -trimpath -buildvcs=false -ldflags="-X github.com/xtls/xray-core/core.build=${COMMID} -s -w -buildid=" -v ./main
+          go build -o build_assets/xray.exe -trimpath -buildvcs=false -gcflags="all=-l=4" -ldflags="-X github.com/xtls/xray-core/core.build=${COMMID} -s -w -buildid=" -v ./main
           echo 'CreateObject("Wscript.Shell").Run "xray.exe -config config.json",0' > build_assets/xray_no_window.vbs
           echo 'Start-Process -FilePath ".\xray.exe" -ArgumentList "-config .\config.json" -WindowStyle Hidden' > build_assets/xray_no_window.ps1
           # The line below is for without running conhost.exe version. Commented for not being used. Provided for reference.
-          # go build -o build_assets/wxray.exe -trimpath -buildvcs=false -ldflags="-H windowsgui -X github.com/xtls/xray-core/core.build=${COMMID} -s -w -buildid=" -v ./main
+          # go build -o build_assets/wxray.exe -trimpath -buildvcs=false -gcflags="all=-l=4" -ldflags="-H windowsgui -X github.com/xtls/xray-core/core.build=${COMMID} -s -w -buildid=" -v ./main
 
       - name: Restore Geodat Cache
         uses: actions/cache/restore@v4

.github/workflows/release.yml

@@ -153,7 +153,7 @@ jobs:
       CGO_ENABLED: 0
     steps:
       - name: Checkout codebase
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up NDK
         if: matrix.goos == 'android'
@@ -190,17 +190,19 @@ jobs:
           COMMID=$(git describe --always --dirty)
           if [[ ${GOOS} == 'windows' ]]; then
             echo 'Building Xray for Windows...'
-            go build -o build_assets/xray.exe -trimpath -buildvcs=false -ldflags="-X github.com/xtls/xray-core/core.build=${COMMID} -s -w -buildid=" -v ./main
+            go build -o build_assets/xray.exe -trimpath -buildvcs=false -gcflags="all=-l=4" -ldflags="-X github.com/xtls/xray-core/core.build=${COMMID} -s -w -buildid=" -v ./main
             echo 'CreateObject("Wscript.Shell").Run "xray.exe -config config.json",0' > build_assets/xray_no_window.vbs
             echo 'Start-Process -FilePath ".\xray.exe" -ArgumentList "-config .\config.json" -WindowStyle Hidden' > build_assets/xray_no_window.ps1
             # The line below is for without running conhost.exe version. Commented for not being used. Provided for reference.
-            # go build -o build_assets/wxray.exe -trimpath -buildvcs=false -ldflags="-H windowsgui -X github.com/xtls/xray-core/core.build=${COMMID} -s -w -buildid=" -v ./main
+            # go build -o build_assets/wxray.exe -trimpath -buildvcs=false -gcflags="all=-l=4" -ldflags="-H windowsgui -X github.com/xtls/xray-core/core.build=${COMMID} -s -w -buildid=" -v ./main
           else
             echo 'Building Xray...'
-            go build -o build_assets/xray -trimpath -buildvcs=false -ldflags="-X github.com/xtls/xray-core/core.build=${COMMID} -s -w -buildid=" -v ./main
             if [[ ${GOARCH} == 'mips' || ${GOARCH} == 'mipsle' ]]; then
+              go build -o build_assets/xray -trimpath -buildvcs=false -gcflags="-l=4" -ldflags="-X github.com/xtls/xray-core/core.build=${COMMID} -s -w -buildid=" -v ./main
               echo 'Building soft-float Xray for MIPS/MIPSLE 32-bit...'
-              GOMIPS=softfloat go build -o build_assets/xray_softfloat -trimpath -buildvcs=false -ldflags="-X github.com/xtls/xray-core/core.build=${COMMID} -s -w -buildid=" -v ./main
+              GOMIPS=softfloat go build -o build_assets/xray_softfloat -trimpath -buildvcs=false -gcflags="-l=4" -ldflags="-X github.com/xtls/xray-core/core.build=${COMMID} -s -w -buildid=" -v ./main
+            else
+              go build -o build_assets/xray -trimpath -buildvcs=false -gcflags="all=-l=4" -ldflags="-X github.com/xtls/xray-core/core.build=${COMMID} -s -w -buildid=" -v ./main
             fi
           fi
 

.github/workflows/test.yml

@@ -45,7 +45,7 @@ jobs:
         os: [windows-latest, ubuntu-latest, macos-latest]
     steps:
       - name: Checkout codebase
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Set up Go
         uses: actions/setup-go@v5
         with:

README.md

@@ -165,7 +165,13 @@ CGO_ENABLED=0 go build -o xray -trimpath -buildvcs=false -ldflags="-s -w -buildi
 Make sure that you are using the same Go version, and remember to set the git commit id (7 bytes):
 
 ```bash
-CGO_ENABLED=0 go build -o xray -trimpath -buildvcs=false -ldflags="-X github.com/xtls/xray-core/core.build=REPLACE -s -w -buildid=" -v ./main
+CGO_ENABLED=0 go build -o xray -trimpath -buildvcs=false -gcflags="all=-l=4" -ldflags="-X github.com/xtls/xray-core/core.build=REPLACE -s -w -buildid=" -v ./main
+```
+
+If you are compiling a 32-bit MIPS/MIPSLE target, use this command instead:
+
+```bash
+CGO_ENABLED=0 go build -o xray -trimpath -buildvcs=false -gcflags="-l=4" -ldflags="-X github.com/xtls/xray-core/core.build=REPLACE -s -w -buildid=" -v ./main
 ```
 
 ## Stargazers over time

app/dns/dnscommon.go

@@ -42,12 +42,15 @@ func (r *IPRecord) getIPs() ([]net.IP, uint32, error) {
 	if r == nil {
 		return nil, 0, errRecordNotFound
 	}
-	untilExpire := time.Until(r.Expire)
+	untilExpire := time.Until(r.Expire).Seconds()
 	if untilExpire <= 0 {
 		return nil, 0, errRecordNotFound
 	}
 
-	ttl := uint32(untilExpire/time.Second) + uint32(1)
+	ttl := uint32(untilExpire) + 1
+	if ttl == 1 {
+		r.Expire = time.Now().Add(time.Second) // To ensure that two consecutive requests get the same result
+	}
 	if r.RCode != dnsmessage.RCodeSuccess {
 		return nil, ttl, dns_feature.RCodeError(r.RCode)
 	}

app/dns/dnscommon_test.go

@@ -18,31 +18,31 @@ func Test_parseResponse(t *testing.T) {
 
 	ans := new(dns.Msg)
 	ans.Id = 0
-	p = append(p, common.Must2(ans.Pack()).([]byte))
+	p = append(p, common.Must2(ans.Pack()))
 
 	p = append(p, []byte{})
 
 	ans = new(dns.Msg)
 	ans.Id = 1
 	ans.Answer = append(ans.Answer,
-		common.Must2(dns.NewRR("google.com. IN CNAME m.test.google.com")).(dns.RR),
+		common.Must2(dns.NewRR("google.com. IN CNAME m.test.google.com")),
-		common.Must2(dns.NewRR("google.com. IN CNAME fake.google.com")).(dns.RR),
+		common.Must2(dns.NewRR("google.com. IN CNAME fake.google.com")),
-		common.Must2(dns.NewRR("google.com. IN A 8.8.8.8")).(dns.RR),
+		common.Must2(dns.NewRR("google.com. IN A 8.8.8.8")),
-		common.Must2(dns.NewRR("google.com. IN A 8.8.4.4")).(dns.RR),
+		common.Must2(dns.NewRR("google.com. IN A 8.8.4.4")),
 	)
-	p = append(p, common.Must2(ans.Pack()).([]byte))
+	p = append(p, common.Must2(ans.Pack()))
 
 	ans = new(dns.Msg)
 	ans.Id = 2
 	ans.Answer = append(ans.Answer,
-		common.Must2(dns.NewRR("google.com. IN CNAME m.test.google.com")).(dns.RR),
+		common.Must2(dns.NewRR("google.com. IN CNAME m.test.google.com")),
-		common.Must2(dns.NewRR("google.com. IN CNAME fake.google.com")).(dns.RR),
+		common.Must2(dns.NewRR("google.com. IN CNAME fake.google.com")),
-		common.Must2(dns.NewRR("google.com. IN CNAME m.test.google.com")).(dns.RR),
+		common.Must2(dns.NewRR("google.com. IN CNAME m.test.google.com")),
-		common.Must2(dns.NewRR("google.com. IN CNAME test.google.com")).(dns.RR),
+		common.Must2(dns.NewRR("google.com. IN CNAME test.google.com")),
-		common.Must2(dns.NewRR("google.com. IN AAAA 2001::123:8888")).(dns.RR),
+		common.Must2(dns.NewRR("google.com. IN AAAA 2001::123:8888")),
-		common.Must2(dns.NewRR("google.com. IN AAAA 2001::123:8844")).(dns.RR),
+		common.Must2(dns.NewRR("google.com. IN AAAA 2001::123:8844")),
 	)
-	p = append(p, common.Must2(ans.Pack()).([]byte))
+	p = append(p, common.Must2(ans.Pack()))
 
 	tests := []struct {
 		name    string

app/proxyman/config.pb.go

@@ -449,11 +449,12 @@ type SenderConfig struct {
 	unknownFields protoimpl.UnknownFields
 
 	// Send traffic through the given IP. Only IP is allowed.
-	Via               *net.IPOrDomain        `protobuf:"bytes,1,opt,name=via,proto3" json:"via,omitempty"`
+	Via               *net.IPOrDomain         `protobuf:"bytes,1,opt,name=via,proto3" json:"via,omitempty"`
-	StreamSettings    *internet.StreamConfig `protobuf:"bytes,2,opt,name=stream_settings,json=streamSettings,proto3" json:"stream_settings,omitempty"`
+	StreamSettings    *internet.StreamConfig  `protobuf:"bytes,2,opt,name=stream_settings,json=streamSettings,proto3" json:"stream_settings,omitempty"`
-	ProxySettings     *internet.ProxyConfig  `protobuf:"bytes,3,opt,name=proxy_settings,json=proxySettings,proto3" json:"proxy_settings,omitempty"`
+	ProxySettings     *internet.ProxyConfig   `protobuf:"bytes,3,opt,name=proxy_settings,json=proxySettings,proto3" json:"proxy_settings,omitempty"`
-	MultiplexSettings *MultiplexingConfig    `protobuf:"bytes,4,opt,name=multiplex_settings,json=multiplexSettings,proto3" json:"multiplex_settings,omitempty"`
+	MultiplexSettings *MultiplexingConfig     `protobuf:"bytes,4,opt,name=multiplex_settings,json=multiplexSettings,proto3" json:"multiplex_settings,omitempty"`
-	ViaCidr           string                 `protobuf:"bytes,5,opt,name=via_cidr,json=viaCidr,proto3" json:"via_cidr,omitempty"`
+	ViaCidr           string                  `protobuf:"bytes,5,opt,name=via_cidr,json=viaCidr,proto3" json:"via_cidr,omitempty"`
+	TargetStrategy    internet.DomainStrategy `protobuf:"varint,6,opt,name=target_strategy,json=targetStrategy,proto3,enum=xray.transport.internet.DomainStrategy" json:"target_strategy,omitempty"`
 }
 
 func (x *SenderConfig) Reset() {
@@ -521,6 +522,13 @@ func (x *SenderConfig) GetViaCidr() string {
 	return ""
 }
 
+func (x *SenderConfig) GetTargetStrategy() internet.DomainStrategy {
+	if x != nil {
+		return x.TargetStrategy
+	}
+	return internet.DomainStrategy(0)
+}
+
 type MultiplexingConfig struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -779,7 +787,7 @@ var file_app_proxyman_config_proto_rawDesc = []byte{
 	0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x73, 0x65, 0x72, 0x69, 0x61, 0x6c, 0x2e, 0x54, 0x79, 0x70, 0x65,
 	0x64, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x52, 0x0d, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x53,
 	0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x22, 0x10, 0x0a, 0x0e, 0x4f, 0x75, 0x74, 0x62, 0x6f,
-	0x75, 0x6e, 0x64, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x22, 0xcb, 0x02, 0x0a, 0x0c, 0x53, 0x65,
+	0x75, 0x6e, 0x64, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x22, 0x9d, 0x03, 0x0a, 0x0c, 0x53, 0x65,
 	0x6e, 0x64, 0x65, 0x72, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x2d, 0x0a, 0x03, 0x76, 0x69,
 	0x61, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1b, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x63,
 	0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x6e, 0x65, 0x74, 0x2e, 0x49, 0x50, 0x4f, 0x72, 0x44, 0x6f,
@@ -800,23 +808,28 @@ var file_app_proxyman_config_proto_rawDesc = []byte{
 	0x69, 0x6e, 0x67, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x52, 0x11, 0x6d, 0x75, 0x6c, 0x74, 0x69,
 	0x70, 0x6c, 0x65, 0x78, 0x53, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x12, 0x19, 0x0a, 0x08,
 	0x76, 0x69, 0x61, 0x5f, 0x63, 0x69, 0x64, 0x72, 0x18, 0x05, 0x20, 0x01, 0x28, 0x09, 0x52, 0x07,
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+	0x76, 0x69, 0x61, 0x43, 0x69, 0x64, 0x72, 0x12, 0x50, 0x0a, 0x0f, 0x74, 0x61, 0x72, 0x67, 0x65,
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 }
 
 var (
@@ -850,6 +863,7 @@ var file_app_proxyman_config_proto_goTypes = []any{
 	(*internet.StreamConfig)(nil),                            // 13: xray.transport.internet.StreamConfig
 	(*serial.TypedMessage)(nil),                              // 14: xray.common.serial.TypedMessage
 	(*internet.ProxyConfig)(nil),                             // 15: xray.transport.internet.ProxyConfig
+	(internet.DomainStrategy)(0),                             // 16: xray.transport.internet.DomainStrategy
 }
 var file_app_proxyman_config_proto_depIdxs = []int32{
 	0,  // 0: xray.app.proxyman.AllocationStrategy.type:type_name -> xray.app.proxyman.AllocationStrategy.Type
@@ -866,11 +880,12 @@ var file_app_proxyman_config_proto_depIdxs = []int32{
 	13, // 11: xray.app.proxyman.SenderConfig.stream_settings:type_name -> xray.transport.internet.StreamConfig
 	15, // 12: xray.app.proxyman.SenderConfig.proxy_settings:type_name -> xray.transport.internet.ProxyConfig
 	8,  // 13: xray.app.proxyman.SenderConfig.multiplex_settings:type_name -> xray.app.proxyman.MultiplexingConfig
-	14, // [14:14] is the sub-list for method output_type
+	16, // 14: xray.app.proxyman.SenderConfig.target_strategy:type_name -> xray.transport.internet.DomainStrategy
-	14, // [14:14] is the sub-list for method input_type
+	15, // [15:15] is the sub-list for method output_type
-	14, // [14:14] is the sub-list for extension type_name
+	15, // [15:15] is the sub-list for method input_type
-	14, // [14:14] is the sub-list for extension extendee
+	15, // [15:15] is the sub-list for extension type_name
-	0,  // [0:14] is the sub-list for field type_name
+	15, // [15:15] is the sub-list for extension extendee
+	0,  // [0:15] is the sub-list for field type_name
 }
 
 func init() { file_app_proxyman_config_proto_init() }

app/proxyman/config.proto

@@ -84,6 +84,7 @@ message SenderConfig {
   xray.transport.internet.ProxyConfig proxy_settings = 3;
   MultiplexingConfig multiplex_settings = 4;
   string via_cidr = 5;
+  xray.transport.internet.DomainStrategy target_strategy = 6;
 }
 
 message MultiplexingConfig {

app/proxyman/inbound/worker.go

@@ -325,7 +325,7 @@ func (w *udpWorker) callback(b *buf.Buffer, source net.Destination, originalDest
 
 			ctx = session.ContextWithInbound(ctx, &session.Inbound{
 				Source:  source,
-				Local:   net.DestinationFromAddr(w.hub.Addr()),
+				Local:   net.DestinationFromAddr(w.hub.Addr()), // Due to some limitations, in UDP connections, localIP is always equal to listen interface IP
 				Gateway: net.UDPDestination(w.address, w.port),
 				Tag:     w.tag,
 			})

app/proxyman/outbound/handler.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"crypto/rand"
 	goerrors "errors"
+	"github.com/xtls/xray-core/common/dice"
 	"io"
 	"math/big"
 	gonet "net"
@@ -177,6 +178,25 @@ func (h *Handler) Tag() string {
 func (h *Handler) Dispatch(ctx context.Context, link *transport.Link) {
 	outbounds := session.OutboundsFromContext(ctx)
 	ob := outbounds[len(outbounds)-1]
+	content := session.ContentFromContext(ctx)
+	if h.senderSettings != nil && h.senderSettings.TargetStrategy.HasStrategy() && ob.Target.Address.Family().IsDomain() && (content == nil || !content.SkipDNSResolve) {
+		ips, err := internet.LookupForIP(ob.Target.Address.Domain(), h.senderSettings.TargetStrategy, nil)
+		if err != nil {
+			errors.LogInfoInner(ctx, err, "failed to resolve ip for target ", ob.Target.Address.Domain())
+			if h.senderSettings.TargetStrategy.ForceIP() {
+				err := errors.New("failed to resolve ip for target ", ob.Target.Address.Domain()).Base(err)
+				session.SubmitOutboundErrorToOriginator(ctx, err)
+				common.Interrupt(link.Writer)
+				common.Interrupt(link.Reader)
+				return
+			}
+
+		} else {
+			unchangedDomain := ob.Target.Address.Domain()
+			ob.Target.Address = net.IPAddress(ips[dice.Roll(len(ips))])
+			errors.LogInfo(ctx, "target: ", unchangedDomain, " resolved to: ", ob.Target.Address.String())
+		}
+	}
 	if ob.Target.Network == net.Network_UDP && ob.OriginalTarget.Address != nil && ob.OriginalTarget.Address != ob.Target.Address {
 		link.Reader = &buf.EndpointOverrideReader{Reader: link.Reader, Dest: ob.Target.Address, OriginalDest: ob.OriginalTarget.Address}
 		link.Writer = &buf.EndpointOverrideWriter{Writer: link.Writer, Dest: ob.Target.Address, OriginalDest: ob.OriginalTarget.Address}
@@ -188,6 +208,7 @@ func (h *Handler) Dispatch(ctx context.Context, link *transport.Link) {
 				session.SubmitOutboundErrorToOriginator(ctx, err)
 				errors.LogInfo(ctx, err.Error())
 				common.Interrupt(link.Writer)
+				common.Interrupt(link.Reader)
 			}
 		}
 		if ob.Target.Network == net.Network_UDP && ob.Target.Port == 443 {
@@ -287,26 +308,18 @@ func (h *Handler) Dial(ctx context.Context, dest net.Destination) (stat.Connecti
 				ob.Gateway = ParseRandomIP(addr, h.senderSettings.ViaCidr)
 
 			case domain == "origin":
-
 				if inbound := session.InboundFromContext(ctx); inbound != nil {
-					if inbound.Conn != nil {
+					if inbound.Local.IsValid() && inbound.Local.Address.Family().IsIP() {
-						origin, _, err := net.SplitHostPort(inbound.Conn.LocalAddr().String())
+						ob.Gateway = inbound.Local.Address
-						if err == nil {
+						errors.LogDebug(ctx, "use inbound local ip as sendthrough: ", inbound.Local.Address.String())
-							ob.Gateway = net.ParseAddress(origin)
-							errors.LogDebug(ctx, "use receive package ip as snedthrough: ", origin)
-						}
 					}
 				}
 			case domain == "srcip":
 				if inbound := session.InboundFromContext(ctx); inbound != nil {
-					if inbound.Conn != nil {
+					if inbound.Source.IsValid() && inbound.Source.Address.Family().IsIP() {
-						clientaddr, _, err := net.SplitHostPort(inbound.Conn.RemoteAddr().String())
+						ob.Gateway = inbound.Source.Address
-						if err == nil {
+						errors.LogDebug(ctx, "use inbound source ip as sendthrough: ", inbound.Source.Address.String())
-							ob.Gateway = net.ParseAddress(clientaddr)
-							errors.LogDebug(ctx, "use client src ip as snedthrough: ", clientaddr)
-						}
 					}
-
 				}
 			//case addr.Family().IsDomain():
 			default:

app/router/command/command.pb.go

@@ -44,6 +44,7 @@ type RoutingContext struct {
 	OutboundTag       string            `protobuf:"bytes,12,opt,name=OutboundTag,proto3" json:"OutboundTag,omitempty"`
 	LocalIPs          [][]byte          `protobuf:"bytes,13,rep,name=LocalIPs,proto3" json:"LocalIPs,omitempty"`
 	LocalPort         uint32            `protobuf:"varint,14,opt,name=LocalPort,proto3" json:"LocalPort,omitempty"`
+	VlessRoute        uint32            `protobuf:"varint,15,opt,name=VlessRoute,proto3" json:"VlessRoute,omitempty"`
 }
 
 func (x *RoutingContext) Reset() {
@@ -174,6 +175,13 @@ func (x *RoutingContext) GetLocalPort() uint32 {
 	return 0
 }
 
+func (x *RoutingContext) GetVlessRoute() uint32 {
+	if x != nil {
+		return x.VlessRoute
+	}
+	return 0
+}
+
 // SubscribeRoutingStatsRequest subscribes to routing statistics channel if
 // opened by xray-core.
 // * FieldSelectors selects a subset of fields in routing statistics to return.
@@ -843,7 +851,7 @@ var file_app_router_command_command_proto_rawDesc = []byte{
 	0x6d, 0x6f, 0x6e, 0x2f, 0x6e, 0x65, 0x74, 0x2f, 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x2e,
 	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a, 0x21, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2f, 0x73, 0x65,
 	0x72, 0x69, 0x61, 0x6c, 0x2f, 0x74, 0x79, 0x70, 0x65, 0x64, 0x5f, 0x6d, 0x65, 0x73, 0x73, 0x61,
-	0x67, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0xd6, 0x04, 0x0a, 0x0e, 0x52, 0x6f, 0x75,
+	0x67, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0xf6, 0x04, 0x0a, 0x0e, 0x52, 0x6f, 0x75,
 	0x74, 0x69, 0x6e, 0x67, 0x43, 0x6f, 0x6e, 0x74, 0x65, 0x78, 0x74, 0x12, 0x1e, 0x0a, 0x0a, 0x49,
 	0x6e, 0x62, 0x6f, 0x75, 0x6e, 0x64, 0x54, 0x61, 0x67, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52,
 	0x0a, 0x49, 0x6e, 0x62, 0x6f, 0x75, 0x6e, 0x64, 0x54, 0x61, 0x67, 0x12, 0x32, 0x0a, 0x07, 0x4e,
@@ -877,7 +885,9 @@ var file_app_router_command_command_proto_rawDesc = []byte{
 	0x6c, 0x49, 0x50, 0x73, 0x18, 0x0d, 0x20, 0x03, 0x28, 0x0c, 0x52, 0x08, 0x4c, 0x6f, 0x63, 0x61,
 	0x6c, 0x49, 0x50, 0x73, 0x12, 0x1c, 0x0a, 0x09, 0x4c, 0x6f, 0x63, 0x61, 0x6c, 0x50, 0x6f, 0x72,
 	0x74, 0x18, 0x0e, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x09, 0x4c, 0x6f, 0x63, 0x61, 0x6c, 0x50, 0x6f,
-	0x72, 0x74, 0x1a, 0x3d, 0x0a, 0x0f, 0x41, 0x74, 0x74, 0x72, 0x69, 0x62, 0x75, 0x74, 0x65, 0x73,
+	0x72, 0x74, 0x12, 0x1e, 0x0a, 0x0a, 0x56, 0x6c, 0x65, 0x73, 0x73, 0x52, 0x6f, 0x75, 0x74, 0x65,
+	0x18, 0x0f, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x0a, 0x56, 0x6c, 0x65, 0x73, 0x73, 0x52, 0x6f, 0x75,
+	0x74, 0x65, 0x1a, 0x3d, 0x0a, 0x0f, 0x41, 0x74, 0x74, 0x72, 0x69, 0x62, 0x75, 0x74, 0x65, 0x73,
 	0x45, 0x6e, 0x74, 0x72, 0x79, 0x12, 0x10, 0x0a, 0x03, 0x6b, 0x65, 0x79, 0x18, 0x01, 0x20, 0x01,
 	0x28, 0x09, 0x52, 0x03, 0x6b, 0x65, 0x79, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65,
 	0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x3a, 0x02, 0x38,

app/router/command/command.proto

@@ -27,6 +27,7 @@ message RoutingContext {
   string OutboundTag = 12;
   repeated bytes LocalIPs = 13;
   uint32 LocalPort = 14;
+  uint32 VlessRoute = 15;
 }
 
 // SubscribeRoutingStatsRequest subscribes to routing statistics channel if

app/router/command/config.go

@@ -36,6 +36,10 @@ func (c routingContext) GetLocalPort() net.Port {
 	return net.Port(c.RoutingContext.GetLocalPort())
 }
 
+func (c routingContext) GetVlessRoute() net.Port {
+	return net.Port(c.RoutingContext.GetVlessRoute())
+}
+
 func (c routingContext) GetRuleTag() string {
 	return ""
 }

app/router/condition.go

@@ -83,21 +83,6 @@ func NewMphMatcherGroup(domains []*Domain) (*DomainMatcher, error) {
 	}, nil
 }
 
-func NewDomainMatcher(domains []*Domain) (*DomainMatcher, error) {
-	g := new(strmatcher.MatcherGroup)
-	for _, d := range domains {
-		m, err := domainToMatcher(d)
-		if err != nil {
-			return nil, err
-		}
-		g.Add(m)
-	}
-
-	return &DomainMatcher{
-		matchers: g,
-	}, nil
-}
-
 func (m *DomainMatcher) ApplyDomain(domain string) bool {
 	return len(m.matchers.Match(strings.ToLower(domain))) > 0
 }
@@ -181,6 +166,8 @@ func (v *PortMatcher) Apply(ctx routing.Context) bool {
 		return v.port.Contains(ctx.GetSourcePort())
 	case "target":
 		return v.port.Contains(ctx.GetTargetPort())
+	case "vlessRoute":
+		return v.port.Contains(ctx.GetVlessRoute())
 	default:
 		panic("unreachable, asType should be local or source or target")
 	}

app/router/condition_test.go

@@ -328,9 +328,6 @@ func TestChinaSites(t *testing.T) {
 	domains, err := loadGeoSite("CN")
 	common.Must(err)
 
-	matcher, err := NewDomainMatcher(domains)
-	common.Must(err)
-
 	acMatcher, err := NewMphMatcherGroup(domains)
 	common.Must(err)
 
@@ -362,12 +359,9 @@ func TestChinaSites(t *testing.T) {
 	}
 
 	for _, testCase := range testCases {
-		r1 := matcher.ApplyDomain(testCase.Domain)
+		r := acMatcher.ApplyDomain(testCase.Domain)
-		r2 := acMatcher.ApplyDomain(testCase.Domain)
+		if r != testCase.Output {
-		if r1 != testCase.Output {
+			t.Error("ACDomainMatcher expected output ", testCase.Output, " for domain ", testCase.Domain, " but got ", r)
-			t.Error("DomainMatcher expected output ", testCase.Output, " for domain ", testCase.Domain, " but got ", r1)
-		} else if r2 != testCase.Output {
-			t.Error("ACDomainMatcher expected output ", testCase.Output, " for domain ", testCase.Domain, " but got ", r2)
 		}
 	}
 }
@@ -414,48 +408,6 @@ func BenchmarkMphDomainMatcher(b *testing.B) {
 	}
 }
 
-func BenchmarkDomainMatcher(b *testing.B) {
-	domains, err := loadGeoSite("CN")
-	common.Must(err)
-
-	matcher, err := NewDomainMatcher(domains)
-	common.Must(err)
-
-	type TestCase struct {
-		Domain string
-		Output bool
-	}
-	testCases := []TestCase{
-		{
-			Domain: "163.com",
-			Output: true,
-		},
-		{
-			Domain: "163.com",
-			Output: true,
-		},
-		{
-			Domain: "164.com",
-			Output: false,
-		},
-		{
-			Domain: "164.com",
-			Output: false,
-		},
-	}
-
-	for i := 0; i < 1024; i++ {
-		testCases = append(testCases, TestCase{Domain: strconv.Itoa(i) + ".not-exists.com", Output: false})
-	}
-
-	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
-		for _, testCase := range testCases {
-			_ = matcher.ApplyDomain(testCase.Domain)
-		}
-	}
-}
-
 func BenchmarkMultiGeoIPMatcher(b *testing.B) {
 	var geoips []*GeoIP
 

app/router/config.go

@@ -33,29 +33,22 @@ func (rr *RoutingRule) BuildCondition() (Condition, error) {
 	conds := NewConditionChan()
 
 	if len(rr.Domain) > 0 {
-		switch rr.DomainMatcher {
+		matcher, err := NewMphMatcherGroup(rr.Domain)
-		case "linear":
+		if err != nil {
-			matcher, err := NewDomainMatcher(rr.Domain)
+			return nil, errors.New("failed to build domain condition with MphDomainMatcher").Base(err)
-			if err != nil {
-				return nil, errors.New("failed to build domain condition").Base(err)
-			}
-			conds.Add(matcher)
-		case "mph", "hybrid":
-			fallthrough
-		default:
-			matcher, err := NewMphMatcherGroup(rr.Domain)
-			if err != nil {
-				return nil, errors.New("failed to build domain condition with MphDomainMatcher").Base(err)
-			}
-			errors.LogDebug(context.Background(), "MphDomainMatcher is enabled for ", len(rr.Domain), " domain rule(s)")
-			conds.Add(matcher)
 		}
+		errors.LogDebug(context.Background(), "MphDomainMatcher is enabled for ", len(rr.Domain), " domain rule(s)")
+		conds.Add(matcher)
 	}
 
 	if len(rr.UserEmail) > 0 {
 		conds.Add(NewUserMatcher(rr.UserEmail))
 	}
 
+	if rr.VlessRouteList != nil {
+		conds.Add(NewPortMatcher(rr.VlessRouteList, "vlessRoute"))
+	}
+
 	if len(rr.InboundTag) > 0 {
 		conds.Add(NewInboundTagMatcher(rr.InboundTag))
 	}

app/router/config.pb.go

@@ -470,7 +470,7 @@ type RoutingRule struct {
 	//	*RoutingRule_Tag
 	//	*RoutingRule_BalancingTag
 	TargetTag isRoutingRule_TargetTag `protobuf_oneof:"target_tag"`
-	RuleTag   string                  `protobuf:"bytes,20,opt,name=rule_tag,json=ruleTag,proto3" json:"rule_tag,omitempty"`
+	RuleTag   string                  `protobuf:"bytes,19,opt,name=rule_tag,json=ruleTag,proto3" json:"rule_tag,omitempty"`
 	// List of domains for target domain matching.
 	Domain []*Domain `protobuf:"bytes,2,rep,name=domain,proto3" json:"domain,omitempty"`
 	// List of GeoIPs for target IP address matching. If this entry exists, the
@@ -491,9 +491,9 @@ type RoutingRule struct {
 	InboundTag     []string          `protobuf:"bytes,8,rep,name=inbound_tag,json=inboundTag,proto3" json:"inbound_tag,omitempty"`
 	Protocol       []string          `protobuf:"bytes,9,rep,name=protocol,proto3" json:"protocol,omitempty"`
 	Attributes     map[string]string `protobuf:"bytes,15,rep,name=attributes,proto3" json:"attributes,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
-	DomainMatcher  string            `protobuf:"bytes,17,opt,name=domain_matcher,json=domainMatcher,proto3" json:"domain_matcher,omitempty"`
+	LocalGeoip     []*GeoIP          `protobuf:"bytes,17,rep,name=local_geoip,json=localGeoip,proto3" json:"local_geoip,omitempty"`
-	LocalGeoip     []*GeoIP          `protobuf:"bytes,18,rep,name=local_geoip,json=localGeoip,proto3" json:"local_geoip,omitempty"`
+	LocalPortList  *net.PortList     `protobuf:"bytes,18,opt,name=local_port_list,json=localPortList,proto3" json:"local_port_list,omitempty"`
-	LocalPortList  *net.PortList     `protobuf:"bytes,19,opt,name=local_port_list,json=localPortList,proto3" json:"local_port_list,omitempty"`
+	VlessRouteList *net.PortList     `protobuf:"bytes,20,opt,name=vless_route_list,json=vlessRouteList,proto3" json:"vless_route_list,omitempty"`
 }
 
 func (x *RoutingRule) Reset() {
@@ -624,13 +624,6 @@ func (x *RoutingRule) GetAttributes() map[string]string {
 	return nil
 }
 
-func (x *RoutingRule) GetDomainMatcher() string {
-	if x != nil {
-		return x.DomainMatcher
-	}
-	return ""
-}
-
 func (x *RoutingRule) GetLocalGeoip() []*GeoIP {
 	if x != nil {
 		return x.LocalGeoip
@@ -645,6 +638,13 @@ func (x *RoutingRule) GetLocalPortList() *net.PortList {
 	return nil
 }
 
+func (x *RoutingRule) GetVlessRouteList() *net.PortList {
+	if x != nil {
+		return x.VlessRouteList
+	}
+	return nil
+}
+
 type isRoutingRule_TargetTag interface {
 	isRoutingRule_TargetTag()
 }
@@ -1085,13 +1085,13 @@ var file_app_router_config_proto_rawDesc = []byte{
 	0x6f, 0x53, 0x69, 0x74, 0x65, 0x4c, 0x69, 0x73, 0x74, 0x12, 0x2e, 0x0a, 0x05, 0x65, 0x6e, 0x74,
 	0x72, 0x79, 0x18, 0x01, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x18, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e,
 	0x61, 0x70, 0x70, 0x2e, 0x72, 0x6f, 0x75, 0x74, 0x65, 0x72, 0x2e, 0x47, 0x65, 0x6f, 0x53, 0x69,
-	0x74, 0x65, 0x52, 0x05, 0x65, 0x6e, 0x74, 0x72, 0x79, 0x22, 0xca, 0x06, 0x0a, 0x0b, 0x52, 0x6f,
+	0x74, 0x65, 0x52, 0x05, 0x65, 0x6e, 0x74, 0x72, 0x79, 0x22, 0xe8, 0x06, 0x0a, 0x0b, 0x52, 0x6f,
 	0x75, 0x74, 0x69, 0x6e, 0x67, 0x52, 0x75, 0x6c, 0x65, 0x12, 0x12, 0x0a, 0x03, 0x74, 0x61, 0x67,
 	0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x48, 0x00, 0x52, 0x03, 0x74, 0x61, 0x67, 0x12, 0x25, 0x0a,
 	0x0d, 0x62, 0x61, 0x6c, 0x61, 0x6e, 0x63, 0x69, 0x6e, 0x67, 0x5f, 0x74, 0x61, 0x67, 0x18, 0x0c,
 	0x20, 0x01, 0x28, 0x09, 0x48, 0x00, 0x52, 0x0c, 0x62, 0x61, 0x6c, 0x61, 0x6e, 0x63, 0x69, 0x6e,
 	0x67, 0x54, 0x61, 0x67, 0x12, 0x19, 0x0a, 0x08, 0x72, 0x75, 0x6c, 0x65, 0x5f, 0x74, 0x61, 0x67,
-	0x18, 0x14, 0x20, 0x01, 0x28, 0x09, 0x52, 0x07, 0x72, 0x75, 0x6c, 0x65, 0x54, 0x61, 0x67, 0x12,
+	0x18, 0x13, 0x20, 0x01, 0x28, 0x09, 0x52, 0x07, 0x72, 0x75, 0x6c, 0x65, 0x54, 0x61, 0x67, 0x12,
 	0x2f, 0x0a, 0x06, 0x64, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x18, 0x02, 0x20, 0x03, 0x28, 0x0b, 0x32,
 	0x17, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x72, 0x6f, 0x75, 0x74, 0x65,
 	0x72, 0x2e, 0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x52, 0x06, 0x64, 0x6f, 0x6d, 0x61, 0x69, 0x6e,
@@ -1123,77 +1123,79 @@ var file_app_router_config_proto_rawDesc = []byte{
 	0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x72, 0x6f, 0x75, 0x74, 0x65, 0x72, 0x2e, 0x52,
 	0x6f, 0x75, 0x74, 0x69, 0x6e, 0x67, 0x52, 0x75, 0x6c, 0x65, 0x2e, 0x41, 0x74, 0x74, 0x72, 0x69,
 	0x62, 0x75, 0x74, 0x65, 0x73, 0x45, 0x6e, 0x74, 0x72, 0x79, 0x52, 0x0a, 0x61, 0x74, 0x74, 0x72,
-	0x69, 0x62, 0x75, 0x74, 0x65, 0x73, 0x12, 0x25, 0x0a, 0x0e, 0x64, 0x6f, 0x6d, 0x61, 0x69, 0x6e,
+	0x69, 0x62, 0x75, 0x74, 0x65, 0x73, 0x12, 0x37, 0x0a, 0x0b, 0x6c, 0x6f, 0x63, 0x61, 0x6c, 0x5f,
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-	0x72, 0x6f, 0x75, 0x74, 0x65, 0x72, 0x2e, 0x42, 0x61, 0x6c, 0x61, 0x6e, 0x63, 0x69, 0x6e, 0x67,
+	0x6c, 0x61, 0x6e, 0x63, 0x69, 0x6e, 0x67, 0x5f, 0x72, 0x75, 0x6c, 0x65, 0x18, 0x03, 0x20, 0x03,
-	0x52, 0x75, 0x6c, 0x65, 0x52, 0x0d, 0x62, 0x61, 0x6c, 0x61, 0x6e, 0x63, 0x69, 0x6e, 0x67, 0x52,
+	0x28, 0x0b, 0x32, 0x1e, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x72, 0x6f,
-	0x75, 0x6c, 0x65, 0x22, 0x47, 0x0a, 0x0e, 0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x53, 0x74, 0x72,
+	0x75, 0x74, 0x65, 0x72, 0x2e, 0x42, 0x61, 0x6c, 0x61, 0x6e, 0x63, 0x69, 0x6e, 0x67, 0x52, 0x75,
-	0x61, 0x74, 0x65, 0x67, 0x79, 0x12, 0x08, 0x0a, 0x04, 0x41, 0x73, 0x49, 0x73, 0x10, 0x00, 0x12,
+	0x6c, 0x65, 0x52, 0x0d, 0x62, 0x61, 0x6c, 0x61, 0x6e, 0x63, 0x69, 0x6e, 0x67, 0x52, 0x75, 0x6c,
-	0x09, 0x0a, 0x05, 0x55, 0x73, 0x65, 0x49, 0x70, 0x10, 0x01, 0x12, 0x10, 0x0a, 0x0c, 0x49, 0x70,
+	0x65, 0x22, 0x47, 0x0a, 0x0e, 0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x53, 0x74, 0x72, 0x61, 0x74,
-	0x49, 0x66, 0x4e, 0x6f, 0x6e, 0x4d, 0x61, 0x74, 0x63, 0x68, 0x10, 0x02, 0x12, 0x0e, 0x0a, 0x0a,
+	0x65, 0x67, 0x79, 0x12, 0x08, 0x0a, 0x04, 0x41, 0x73, 0x49, 0x73, 0x10, 0x00, 0x12, 0x09, 0x0a,
-	0x49, 0x70, 0x4f, 0x6e, 0x44, 0x65, 0x6d, 0x61, 0x6e, 0x64, 0x10, 0x03, 0x42, 0x4f, 0x0a, 0x13,
+	0x05, 0x55, 0x73, 0x65, 0x49, 0x70, 0x10, 0x01, 0x12, 0x10, 0x0a, 0x0c, 0x49, 0x70, 0x49, 0x66,
-	0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x72, 0x6f, 0x75,
+	0x4e, 0x6f, 0x6e, 0x4d, 0x61, 0x74, 0x63, 0x68, 0x10, 0x02, 0x12, 0x0e, 0x0a, 0x0a, 0x49, 0x70,
-	0x74, 0x65, 0x72, 0x50, 0x01, 0x5a, 0x24, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f,
+	0x4f, 0x6e, 0x44, 0x65, 0x6d, 0x61, 0x6e, 0x64, 0x10, 0x03, 0x42, 0x4f, 0x0a, 0x13, 0x63, 0x6f,
-	0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65,
+	0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x72, 0x6f, 0x75, 0x74, 0x65,
-	0x2f, 0x61, 0x70, 0x70, 0x2f, 0x72, 0x6f, 0x75, 0x74, 0x65, 0x72, 0xaa, 0x02, 0x0f, 0x58, 0x72,
+	0x72, 0x50, 0x01, 0x5a, 0x24, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f,
-	0x61, 0x79, 0x2e, 0x41, 0x70, 0x70, 0x2e, 0x52, 0x6f, 0x75, 0x74, 0x65, 0x72, 0x62, 0x06, 0x70,
+	0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x61,
-	0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x70, 0x70, 0x2f, 0x72, 0x6f, 0x75, 0x74, 0x65, 0x72, 0xaa, 0x02, 0x0f, 0x58, 0x72, 0x61, 0x79,
+	0x2e, 0x41, 0x70, 0x70, 0x2e, 0x52, 0x6f, 0x75, 0x74, 0x65, 0x72, 0x62, 0x06, 0x70, 0x72, 0x6f,
+	0x74, 0x6f, 0x33,
 }
 
 var (
@@ -1246,16 +1248,17 @@ var file_app_router_config_proto_depIdxs = []int32{
 	14, // 12: xray.app.router.RoutingRule.attributes:type_name -> xray.app.router.RoutingRule.AttributesEntry
 	4,  // 13: xray.app.router.RoutingRule.local_geoip:type_name -> xray.app.router.GeoIP
 	15, // 14: xray.app.router.RoutingRule.local_port_list:type_name -> xray.common.net.PortList
-	17, // 15: xray.app.router.BalancingRule.strategy_settings:type_name -> xray.common.serial.TypedMessage
+	15, // 15: xray.app.router.RoutingRule.vless_route_list:type_name -> xray.common.net.PortList
-	10, // 16: xray.app.router.StrategyLeastLoadConfig.costs:type_name -> xray.app.router.StrategyWeight
+	17, // 16: xray.app.router.BalancingRule.strategy_settings:type_name -> xray.common.serial.TypedMessage
-	1,  // 17: xray.app.router.Config.domain_strategy:type_name -> xray.app.router.Config.DomainStrategy
+	10, // 17: xray.app.router.StrategyLeastLoadConfig.costs:type_name -> xray.app.router.StrategyWeight
-	8,  // 18: xray.app.router.Config.rule:type_name -> xray.app.router.RoutingRule
+	1,  // 18: xray.app.router.Config.domain_strategy:type_name -> xray.app.router.Config.DomainStrategy
-	9,  // 19: xray.app.router.Config.balancing_rule:type_name -> xray.app.router.BalancingRule
+	8,  // 19: xray.app.router.Config.rule:type_name -> xray.app.router.RoutingRule
-	20, // [20:20] is the sub-list for method output_type
+	9,  // 20: xray.app.router.Config.balancing_rule:type_name -> xray.app.router.BalancingRule
-	20, // [20:20] is the sub-list for method input_type
+	21, // [21:21] is the sub-list for method output_type
-	20, // [20:20] is the sub-list for extension type_name
+	21, // [21:21] is the sub-list for method input_type
-	20, // [20:20] is the sub-list for extension extendee
+	21, // [21:21] is the sub-list for extension type_name
-	0,  // [0:20] is the sub-list for field type_name
+	21, // [21:21] is the sub-list for extension extendee
+	0,  // [0:21] is the sub-list for field type_name
 }
 
 func init() { file_app_router_config_proto_init() }

app/router/config.proto

@@ -79,7 +79,7 @@ message RoutingRule {
     // Tag of routing balancer.
     string balancing_tag = 12;
   }
-    string rule_tag = 20;
+    string rule_tag = 19;
 
   // List of domains for target domain matching.
   repeated Domain domain = 2;
@@ -109,10 +109,10 @@ message RoutingRule {
 
   map<string, string> attributes = 15;
 
-  string domain_matcher = 17;
+  repeated GeoIP local_geoip = 17;
+  xray.common.net.PortList local_port_list = 18;
 
-  repeated GeoIP local_geoip = 18;
+  xray.common.net.PortList vless_route_list = 20;
-  xray.common.net.PortList local_port_list = 19;
 }
 
 message BalancingRule {

common/buf/buffer.go

@@ -13,6 +13,8 @@ const (
 	Size = 8192
 )
 
+var ErrBufferFull = errors.New("buffer is full")
+
 var zero = [Size * 10]byte{0}
 
 var pool = bytespool.GetPool(Size)
@@ -244,6 +246,14 @@ func (b *Buffer) Cap() int32 {
 	return int32(len(b.v))
 }
 
+// Available returns the available capacity of the buffer content.
+func (b *Buffer) Available() int32 {
+	if b == nil {
+		return 0
+	}
+	return int32(len(b.v)) - b.end
+}
+
 // IsEmpty returns true if the buffer is empty.
 func (b *Buffer) IsEmpty() bool {
 	return b.Len() == 0
@@ -258,13 +268,16 @@ func (b *Buffer) IsFull() bool {
 func (b *Buffer) Write(data []byte) (int, error) {
 	nBytes := copy(b.v[b.end:], data)
 	b.end += int32(nBytes)
+	if nBytes < len(data) {
+		return nBytes, ErrBufferFull
+	}
 	return nBytes, nil
 }
 
 // WriteByte writes a single byte into the buffer.
 func (b *Buffer) WriteByte(v byte) error {
 	if b.IsFull() {
-		return errors.New("buffer full")
+		return ErrBufferFull
 	}
 	b.v[b.end] = v
 	b.end++

common/buf/multi_buffer.go

@@ -144,7 +144,7 @@ func Compact(mb MultiBuffer) MultiBuffer {
 
 	for i := 1; i < len(mb); i++ {
 		curr := mb[i]
-		if last.Len()+curr.Len() > Size {
+		if curr.Len() > last.Available() {
 			mb2 = append(mb2, last)
 			last = curr
 		} else {

common/buf/multi_buffer_test.go

@@ -175,6 +175,29 @@ func TestCompact(t *testing.T) {
 	}
 }
 
+func TestCompactWithConsumed(t *testing.T) {
+	// make a consumed buffer (a.Start != 0)
+	a := New()
+	for range 8192 {
+		common.Must2(a.WriteString("a"))
+	}
+	a.Read(make([]byte, 2))
+
+	b := New()
+	for range 2 {
+		common.Must2(b.WriteString("b"))
+	}
+
+	mb := MultiBuffer{a, b}
+	cmb := Compact(mb)
+	mbc := &MultiBufferContainer{mb}
+	mbc.Read(make([]byte, 8190))
+
+	if w := cmb.String(); w != "bb" {
+		t.Error("unexpected Compact result ", w)
+	}
+}
+
 func BenchmarkSplitBytes(b *testing.B) {
 	var mb MultiBuffer
 	raw := make([]byte, Size)

common/common.go

@@ -23,7 +23,9 @@ func Must(err error) {
 }
 
 // Must2 panics if the second parameter is not nil, otherwise returns the first parameter.
-func Must2(v interface{}, err error) interface{} {
+// This is useful when function returned "sth, err" and avoid many "if err != nil"
+// Internal usage only, if user input can cause err, it must be handled
+func Must2[T any](v T, err error) T {
 	Must(err)
 	return v
 }

common/crypto/aes.go

@@ -32,9 +32,7 @@ func NewAesCTRStream(key []byte, iv []byte) cipher.Stream {
 
 // NewAesGcm creates a AEAD cipher based on AES-GCM.
 func NewAesGcm(key []byte) cipher.AEAD {
-	block, err := aes.NewCipher(key)
+	block := common.Must2(aes.NewCipher(key))
-	common.Must(err)
+	aead := common.Must2(cipher.NewGCM(block))
-	aead, err := cipher.NewGCM(block)
-	common.Must(err)
 	return aead
 }

common/crypto/auth_test.go

@@ -2,8 +2,6 @@ package crypto_test
 
 import (
 	"bytes"
-	"crypto/aes"
-	"crypto/cipher"
 	"crypto/rand"
 	"io"
 	"testing"
@@ -18,11 +16,8 @@ import (
 func TestAuthenticationReaderWriter(t *testing.T) {
 	key := make([]byte, 16)
 	rand.Read(key)
-	block, err := aes.NewCipher(key)
-	common.Must(err)
 
-	aead, err := cipher.NewGCM(block)
+	aead := NewAesGcm(key)
-	common.Must(err)
 
 	const payloadSize = 1024 * 80
 	rawPayload := make([]byte, payloadSize)
@@ -71,7 +66,7 @@ func TestAuthenticationReaderWriter(t *testing.T) {
 		t.Error(r)
 	}
 
-	_, err = reader.ReadMultiBuffer()
+	_, err := reader.ReadMultiBuffer()
 	if err != io.EOF {
 		t.Error("error: ", err)
 	}
@@ -80,11 +75,8 @@ func TestAuthenticationReaderWriter(t *testing.T) {
 func TestAuthenticationReaderWriterPacket(t *testing.T) {
 	key := make([]byte, 16)
 	common.Must2(rand.Read(key))
-	block, err := aes.NewCipher(key)
-	common.Must(err)
 
-	aead, err := cipher.NewGCM(block)
+	aead := NewAesGcm(key)
-	common.Must(err)
 
 	cache := buf.New()
 	iv := make([]byte, 12)

common/mux/server.go

@@ -118,9 +118,7 @@ func (w *ServerWorker) handleStatusKeepAlive(meta *FrameMetadata, reader *buf.Bu
 }
 
 func (w *ServerWorker) handleStatusNew(ctx context.Context, meta *FrameMetadata, reader *buf.BufferedReader) error {
-	// deep-clone outbounds because it is going to be mutated concurrently
+	ctx = session.SubContextFromMuxInbound(ctx)
-	// (Target and OriginalTarget)
-	ctx = session.ContextCloneOutboundsAndContent(ctx)
 	errors.LogInfo(ctx, "received request for ", meta.Target)
 	{
 		msg := &log.AccessMessage{

common/protocol/headers.go

@@ -79,18 +79,20 @@ type CommandSwitchAccount struct {
 }
 
 var (
-	// Keep in sync with crypto/tls/cipher_suites.go.
+	hasGCMAsmAMD64 = cpu.X86.HasAES && cpu.X86.HasPCLMULQDQ
-	hasGCMAsmAMD64 = cpu.X86.HasAES && cpu.X86.HasPCLMULQDQ && cpu.X86.HasSSE41 && cpu.X86.HasSSSE3
 	hasGCMAsmARM64 = cpu.ARM64.HasAES && cpu.ARM64.HasPMULL
-	hasGCMAsmS390X = cpu.S390X.HasAES && cpu.S390X.HasAESCTR && cpu.S390X.HasGHASH
+	// Keep in sync with crypto/aes/cipher_s390x.go.
-	hasGCMAsmPPC64 = runtime.GOARCH == "ppc64" || runtime.GOARCH == "ppc64le"
+	hasGCMAsmS390X = cpu.S390X.HasAES && cpu.S390X.HasAESCBC && cpu.S390X.HasAESCTR &&
+		(cpu.S390X.HasGHASH || cpu.S390X.HasAESGCM)
 
-	HasAESGCMHardwareSupport = hasGCMAsmAMD64 || hasGCMAsmARM64 || hasGCMAsmS390X || hasGCMAsmPPC64
+	hasAESGCMHardwareSupport = runtime.GOARCH == "amd64" && hasGCMAsmAMD64 ||
+		runtime.GOARCH == "arm64" && hasGCMAsmARM64 ||
+		runtime.GOARCH == "s390x" && hasGCMAsmS390X
 )
 
 func (sc *SecurityConfig) GetSecurityType() SecurityType {
 	if sc == nil || sc.Type == SecurityType_AUTO {
-		if HasAESGCMHardwareSupport {
+		if hasAESGCMHardwareSupport {
 			return SecurityType_AES128_GCM
 		}
 		return SecurityType_CHACHA20_POLY1305

common/reflect/marshal_test.go

@@ -184,8 +184,7 @@ func getConfig() string {
         "inboundTag": [
           "api-in"
         ],
-        "outboundTag": "api",
+        "outboundTag": "api"
-        "type": "field"
       }
     ],
     "domainStrategy": "AsIs"

common/session/context.go

@@ -16,15 +16,15 @@ const (
 	inboundSessionKey         ctx.SessionKey = 1
 	outboundSessionKey        ctx.SessionKey = 2
 	contentSessionKey         ctx.SessionKey = 3
-	muxPreferredSessionKey    ctx.SessionKey = 4
+	muxPreferredSessionKey    ctx.SessionKey = 4 // unused
-	sockoptSessionKey         ctx.SessionKey = 5
+	sockoptSessionKey         ctx.SessionKey = 5 // used by dokodemo to only receive sockopt.Mark
-	trackedConnectionErrorKey ctx.SessionKey = 6
+	trackedConnectionErrorKey ctx.SessionKey = 6 // used by observer to get outbound error
-	dispatcherKey             ctx.SessionKey = 7
+	dispatcherKey             ctx.SessionKey = 7 // used by ss2022 inbounds to get dispatcher
-	timeoutOnlyKey            ctx.SessionKey = 8
+	timeoutOnlyKey            ctx.SessionKey = 8 // mux context's child contexts to only cancel when its own traffic times out
-	allowedNetworkKey         ctx.SessionKey = 9
+	allowedNetworkKey         ctx.SessionKey = 9 // muxcool server control incoming request tcp/udp
-	handlerSessionKey         ctx.SessionKey = 10
+	handlerSessionKey         ctx.SessionKey = 10 // unused
-	mitmAlpn11Key             ctx.SessionKey = 11
+	mitmAlpn11Key             ctx.SessionKey = 11 // used by TLS dialer
-	mitmServerNameKey         ctx.SessionKey = 12
+	mitmServerNameKey         ctx.SessionKey = 12 // used by TLS dialer
 )
 
 func ContextWithInbound(ctx context.Context, inbound *Inbound) context.Context {
@@ -42,18 +42,8 @@ func ContextWithOutbounds(ctx context.Context, outbounds []*Outbound) context.Co
 	return context.WithValue(ctx, outboundSessionKey, outbounds)
 }
 
-func ContextCloneOutboundsAndContent(ctx context.Context) context.Context {
+func SubContextFromMuxInbound(ctx context.Context) context.Context {
-	outbounds := OutboundsFromContext(ctx)
+	newOutbounds := []*Outbound{{}}
-	newOutbounds := make([]*Outbound, len(outbounds))
-	for i, ob := range outbounds {
-		if ob == nil {
-			continue
-		}
-
-		// copy outbound by value
-		v := *ob
-		newOutbounds[i] = &v
-	}
 
 	content := ContentFromContext(ctx)
 	newContent := Content{}

common/session/session.go

@@ -46,9 +46,11 @@ type Inbound struct {
 	Name string
 	// User is the user that authenticates for the inbound. May be nil if the protocol allows anonymous traffic.
 	User *protocol.MemoryUser
-	// Conn is actually internet.Connection. May be nil.
+	// VlessRoute is the user-sent VLESS UUID's 7th<<8 | 8th bytes.
+	VlessRoute net.Port
+	// Used by splice copy. Conn is actually internet.Connection. May be nil.
 	Conn net.Conn
-	// Timer of the inbound buf copier. May be nil.
+	// Used by splice copy. Timer of the inbound buf copier. May be nil.
 	Timer *signal.ActivityTimer
 	// CanSpliceCopy is a property for this connection
 	// 1 = can, 2 = after processing protocol info should be able to, 3 = cannot
@@ -67,31 +69,33 @@ type Outbound struct {
 	Tag string
 	// Name of the outbound proxy that handles the connection.
 	Name string
-	// Conn is actually internet.Connection. May be nil. It is currently nil for outbound with proxySettings
+	// Unused. Conn is actually internet.Connection. May be nil. It is currently nil for outbound with proxySettings
 	Conn net.Conn
 	// CanSpliceCopy is a property for this connection
 	// 1 = can, 2 = after processing protocol info should be able to, 3 = cannot
 	CanSpliceCopy int
 }
 
-// SniffingRequest controls the behavior of content sniffing.
+// SniffingRequest controls the behavior of content sniffing. They are from inbound config. Read-only
 type SniffingRequest struct {
-	ExcludeForDomain               []string // read-only once set
+	ExcludeForDomain               []string
-	OverrideDestinationForProtocol []string // read-only once set
+	OverrideDestinationForProtocol []string
 	Enabled                        bool
 	MetadataOnly                   bool
 	RouteOnly                      bool
 }
 
-// Content is the metadata of the connection content.
+// Content is the metadata of the connection content. Mainly used for routing.
 type Content struct {
 	// Protocol of current content.
 	Protocol string
 
 	SniffingRequest SniffingRequest
 
+	// HTTP traffic sniffed headers
 	Attributes map[string]string
 
+	// SkipDNSResolve is set from DNS module. the DOH remote server maybe a domain name, this prevents cycle resolving dead loop
 	SkipDNSResolve bool
 }
 

features/routing/context.go

@@ -41,6 +41,9 @@ type Context interface {
 	// GetUser returns the user email from the connection content, if exists.
 	GetUser() string
 
+	// GetVlessRoute returns the user-sent VLESS UUID's 7th<<8 | 8th bytes, if exists.
+	GetVlessRoute() net.Port
+
 	// GetAttributes returns extra attributes from the conneciont content.
 	GetAttributes() map[string]string
 

features/routing/session/context.go

@@ -128,6 +128,14 @@ func (ctx *Context) GetUser() string {
 	return ctx.Inbound.User.Email
 }
 
+// GetVlessRoute implements routing.Context.
+func (ctx *Context) GetVlessRoute() net.Port {
+	if ctx.Inbound == nil {
+		return 0
+	}
+	return ctx.Inbound.VlessRoute
+}
+
 // GetAttributes implements routing.Context.
 func (ctx *Context) GetAttributes() map[string]string {
 	if ctx.Content == nil {

go.mod

@@ -1,6 +1,6 @@
 module github.com/xtls/xray-core
 
-go 1.24
+go 1.25
 
 require (
 	github.com/cloudflare/circl v1.6.1

infra/conf/dns_proxy.go

@@ -28,9 +28,7 @@ func (c *DNSOutboundConfig) Build() (proto.Message, error) {
 		config.Server.Address = c.Address.Build()
 	}
 	switch c.NonIPQuery {
-	case "":
+	case "", "reject", "drop", "skip":
-		c.NonIPQuery = "drop"
-	case "drop", "skip", "reject":
 	default:
 		return nil, errors.New(`unknown "nonIPQuery": `, c.NonIPQuery)
 	}

infra/conf/dns_proxy_test.go

@@ -27,7 +27,6 @@ func TestDnsProxyConfig(t *testing.T) {
 					Address: net.NewIPOrDomain(net.IPAddress([]byte{8, 8, 8, 8})),
 					Port:    53,
 				},
-				Non_IPQuery: "drop",
 			},
 		},
 	})

infra/conf/freedom.go

@@ -14,6 +14,7 @@ import (
 )
 
 type FreedomConfig struct {
+	TargetStrategy string    `json:"targetStrategy"`
 	DomainStrategy string    `json:"domainStrategy"`
 	Redirect       string    `json:"redirect"`
 	UserLevel      uint32    `json:"userLevel"`
@@ -40,7 +41,11 @@ type Noise struct {
 // Build implements Buildable
 func (c *FreedomConfig) Build() (proto.Message, error) {
 	config := new(freedom.Config)
-	switch strings.ToLower(c.DomainStrategy) {
+	targetStrategy := c.TargetStrategy
+	if targetStrategy == "" {
+		targetStrategy = c.DomainStrategy
+	}
+	switch strings.ToLower(targetStrategy) {
 	case "asis", "":
 		config.DomainStrategy = freedom.Config_AS_IS
 	case "useip":
@@ -64,7 +69,7 @@ func (c *FreedomConfig) Build() (proto.Message, error) {
 	case "forceipv6v4":
 		config.DomainStrategy = freedom.Config_FORCE_IP64
 	default:
-		return nil, errors.New("unsupported domain strategy: ", c.DomainStrategy)
+		return nil, errors.New("unsupported domain strategy: ", targetStrategy)
 	}
 
 	if c.Fragment != nil {

infra/conf/router.go

@@ -74,8 +74,6 @@ type RouterConfig struct {
 	RuleList       []json.RawMessage `json:"rules"`
 	DomainStrategy *string           `json:"domainStrategy"`
 	Balancers      []*BalancingRule  `json:"balancers"`
-
-	DomainMatcher string `json:"domainMatcher"`
 }
 
 func (c *RouterConfig) getDomainStrategy() router.Config_DomainStrategy {
@@ -111,10 +109,6 @@ func (c *RouterConfig) Build() (*router.Config, error) {
 			return nil, err
 		}
 
-		if rule.DomainMatcher == "" {
-			rule.DomainMatcher = c.DomainMatcher
-		}
-
 		config.Rule = append(config.Rule, rule)
 	}
 	for _, rawBalancer := range c.Balancers {
@@ -129,11 +123,8 @@ func (c *RouterConfig) Build() (*router.Config, error) {
 
 type RouterRule struct {
 	RuleTag     string `json:"ruleTag"`
-	Type        string `json:"type"`
 	OutboundTag string `json:"outboundTag"`
 	BalancerTag string `json:"balancerTag"`
-
-	DomainMatcher string `json:"domainMatcher"`
 }
 
 func ParseIP(s string) (*router.CIDR, error) {
@@ -540,6 +531,7 @@ func parseFieldRule(msg json.RawMessage) (*router.RoutingRule, error) {
 		Source     *StringList       `json:"source"`
 		SourcePort *PortList         `json:"sourcePort"`
 		User       *StringList       `json:"user"`
+		VlessRoute *PortList         `json:"vlessRoute"`
 		InboundTag *StringList       `json:"inboundTag"`
 		Protocols  *StringList       `json:"protocol"`
 		Attributes map[string]string `json:"attrs"`
@@ -567,10 +559,6 @@ func parseFieldRule(msg json.RawMessage) (*router.RoutingRule, error) {
 		return nil, errors.New("neither outboundTag nor balancerTag is specified in routing rule")
 	}
 
-	if rawFieldRule.DomainMatcher != "" {
-		rule.DomainMatcher = rawFieldRule.DomainMatcher
-	}
-
 	if rawFieldRule.Domain != nil {
 		for _, domain := range *rawFieldRule.Domain {
 			rules, err := parseDomainRule(domain)
@@ -641,6 +629,10 @@ func parseFieldRule(msg json.RawMessage) (*router.RoutingRule, error) {
 		}
 	}
 
+	if rawFieldRule.VlessRoute != nil {
+		rule.VlessRouteList = rawFieldRule.VlessRoute.Build()
+	}
+
 	if rawFieldRule.InboundTag != nil {
 		for _, s := range *rawFieldRule.InboundTag {
 			rule.InboundTag = append(rule.InboundTag, s)
@@ -666,12 +658,10 @@ func ParseRule(msg json.RawMessage) (*router.RoutingRule, error) {
 	if err != nil {
 		return nil, errors.New("invalid router rule").Base(err)
 	}
-	if rawRule.Type == "" || strings.EqualFold(rawRule.Type, "field") {
+
-		fieldrule, err := parseFieldRule(msg)
+	fieldrule, err := parseFieldRule(msg)
-		if err != nil {
+	if err != nil {
-			return nil, errors.New("invalid field rule").Base(err)
+		return nil, errors.New("invalid field rule").Base(err)
-		}
-		return fieldrule, nil
 	}
-	return nil, errors.New("unknown router rule type: ", rawRule.Type)
+	return fieldrule, nil
 }

infra/conf/router_test.go

@@ -91,7 +91,6 @@ func TestRouterConfig(t *testing.T) {
 				"domainStrategy": "AsIs",
 				"rules": [
 					{
-						"type": "field",
 						"domain": [
 							"baidu.com",
 							"qq.com"
@@ -99,18 +98,15 @@ func TestRouterConfig(t *testing.T) {
 						"outboundTag": "direct"
 					},
 					{
-						"type": "field",
 						"ip": [
 							"10.0.0.0/8",
 							"::1/128"
 						],
 						"outboundTag": "test"
 					},{
-						"type": "field",
 						"port": "53, 443, 1000-2000",
 						"outboundTag": "test"
 					},{
-						"type": "field",
 						"port": 123,
 						"outboundTag": "test"
 					}
@@ -249,7 +245,6 @@ func TestRouterConfig(t *testing.T) {
 				"domainStrategy": "IPIfNonMatch",
 				"rules": [
 					{
-						"type": "field",
 						"domain": [
 							"baidu.com",
 							"qq.com"
@@ -257,7 +252,6 @@ func TestRouterConfig(t *testing.T) {
 						"outboundTag": "direct"
 					},
 					{
-						"type": "field",
 						"ip": [
 							"10.0.0.0/8",
 							"::1/128"

infra/conf/vless.go

@@ -1,7 +1,6 @@
 package conf
 
 import (
-	"encoding/base64"
 	"encoding/json"
 	"path/filepath"
 	"runtime"
@@ -33,12 +32,20 @@ type VLessInboundConfig struct {
 	Clients    []json.RawMessage       `json:"clients"`
 	Decryption string                  `json:"decryption"`
 	Fallbacks  []*VLessInboundFallback `json:"fallbacks"`
+	Flow       string                  `json:"flow"`
 }
 
 // Build implements Buildable
 func (c *VLessInboundConfig) Build() (proto.Message, error) {
 	config := new(inbound.Config)
 	config.Clients = make([]*protocol.User, len(c.Clients))
+	switch c.Flow {
+	case vless.None:
+		c.Flow = ""
+	case "", vless.XRV:
+	default:
+		return nil, errors.New(`VLESS "settings.flow" doesn't support "` + c.Flow + `" in this version`)
+	}
 	for idx, rawUser := range c.Clients {
 		user := new(protocol.User)
 		if err := json.Unmarshal(rawUser, user); err != nil {
@@ -56,7 +63,11 @@ func (c *VLessInboundConfig) Build() (proto.Message, error) {
 		account.Id = u.String()
 
 		switch account.Flow {
-		case "", vless.XRV:
+		case "":
+			account.Flow = c.Flow
+		case vless.None:
+			account.Flow = ""
+		case vless.XRV:
 		default:
 			return nil, errors.New(`VLESS clients: "flow" doesn't support "` + account.Flow + `" in this version`)
 		}
@@ -69,46 +80,10 @@ func (c *VLessInboundConfig) Build() (proto.Message, error) {
 		config.Clients[idx] = user
 	}
 
-	config.Decryption = c.Decryption
+	if c.Decryption != "none" {
-	if !func() bool {
+		return nil, errors.New(`VLESS settings: please add/set "decryption":"none" to every settings`)
-		s := strings.Split(config.Decryption, ".")
-		if len(s) != 5 || s[2] != "mlkem768Seed" {
-			return false
-		}
-		if s[0] != "1rtt" {
-			t := strings.TrimSuffix(s[0], "min")
-			if t == s[0] {
-				return false
-			}
-			i, err := strconv.Atoi(t)
-			if err != nil {
-				return false
-			}
-			config.Minutes = uint32(i)
-		}
-		switch s[1] {
-		case "native":
-		case "divide":
-			config.XorMode = 1
-		case "random":
-			config.XorMode = 2
-		default:
-			return false
-		}
-		if b, _ := base64.RawURLEncoding.DecodeString(s[3]); len(b) != 32 {
-			return false
-		}
-		if b, _ := base64.RawURLEncoding.DecodeString(s[4]); len(b) != 64 {
-			return false
-		}
-		config.Decryption = s[4] + "." + s[3]
-		return true
-	}() && config.Decryption != "none" {
-		if config.Decryption == "" {
-			return nil, errors.New(`VLESS settings: please add/set "decryption":"none" to every settings`)
-		}
-		return nil, errors.New(`VLESS settings: unsupported "decryption": ` + config.Decryption)
 	}
+	config.Decryption = c.Decryption
 
 	for _, fb := range c.Fallbacks {
 		var i uint16
@@ -180,16 +155,16 @@ type VLessOutboundConfig struct {
 func (c *VLessOutboundConfig) Build() (proto.Message, error) {
 	config := new(outbound.Config)
 
-	if len(c.Vnext) != 1 {
+	if len(c.Vnext) == 0 {
-		return nil, errors.New(`VLESS settings: "vnext" should have one and only one member`)
+		return nil, errors.New(`VLESS settings: "vnext" is empty`)
 	}
 	config.Vnext = make([]*protocol.ServerEndpoint, len(c.Vnext))
 	for idx, rec := range c.Vnext {
 		if rec.Address == nil {
 			return nil, errors.New(`VLESS vnext: "address" is not set`)
 		}
-		if len(rec.Users) != 1 {
+		if len(rec.Users) == 0 {
-			return nil, errors.New(`VLESS vnext: "users" should have one and only one member`)
+			return nil, errors.New(`VLESS vnext: "users" is empty`)
 		}
 		spec := &protocol.ServerEndpoint{
 			Address: rec.Address.Build(),
@@ -218,44 +193,8 @@ func (c *VLessOutboundConfig) Build() (proto.Message, error) {
 				return nil, errors.New(`VLESS users: "flow" doesn't support "` + account.Flow + `" in this version`)
 			}
 
-			if !func() bool {
+			if account.Encryption != "none" {
-				s := strings.Split(account.Encryption, ".")
+				return nil, errors.New(`VLESS users: please add/set "encryption":"none" for every user`)
-				if len(s) != 5 || s[2] != "mlkem768Client" {
-					return false
-				}
-				if s[0] != "1rtt" {
-					t := strings.TrimSuffix(s[0], "min")
-					if t == s[0] {
-						return false
-					}
-					i, err := strconv.Atoi(t)
-					if err != nil {
-						return false
-					}
-					account.Minutes = uint32(i)
-				}
-				switch s[1] {
-				case "native":
-				case "divide":
-					account.XorMode = 1
-				case "random":
-					account.XorMode = 2
-				default:
-					return false
-				}
-				if b, _ := base64.RawURLEncoding.DecodeString(s[3]); len(b) != 32 {
-					return false
-				}
-				if b, _ := base64.RawURLEncoding.DecodeString(s[4]); len(b) != 1184 {
-					return false
-				}
-				account.Encryption = s[4] + "." + s[3]
-				return true
-			}() && account.Encryption != "none" {
-				if account.Encryption == "" {
-					return nil, errors.New(`VLESS users: please add/set "encryption":"none" for every user`)
-				}
-				return nil, errors.New(`VLESS users: unsupported "encryption": ` + account.Encryption)
 			}
 
 			user.Account = serial.ToTypedMessage(account)

infra/conf/xray.go

@@ -260,13 +260,14 @@ func (c *InboundDetourConfig) Build() (*core.InboundHandlerConfig, error) {
 }
 
 type OutboundDetourConfig struct {
-	Protocol      string           `json:"protocol"`
+	Protocol       string           `json:"protocol"`
-	SendThrough   *string          `json:"sendThrough"`
+	SendThrough    *string          `json:"sendThrough"`
-	Tag           string           `json:"tag"`
+	Tag            string           `json:"tag"`
-	Settings      *json.RawMessage `json:"settings"`
+	Settings       *json.RawMessage `json:"settings"`
-	StreamSetting *StreamConfig    `json:"streamSettings"`
+	StreamSetting  *StreamConfig    `json:"streamSettings"`
-	ProxySettings *ProxyConfig     `json:"proxySettings"`
+	ProxySettings  *ProxyConfig     `json:"proxySettings"`
-	MuxSettings   *MuxConfig       `json:"mux"`
+	MuxSettings    *MuxConfig       `json:"mux"`
+	TargetStrategy string           `json:"targetStrategy"`
 }
 
 func (c *OutboundDetourConfig) checkChainProxyConfig() error {
@@ -282,6 +283,32 @@ func (c *OutboundDetourConfig) checkChainProxyConfig() error {
 // Build implements Buildable.
 func (c *OutboundDetourConfig) Build() (*core.OutboundHandlerConfig, error) {
 	senderSettings := &proxyman.SenderConfig{}
+	switch strings.ToLower(c.TargetStrategy) {
+	case "asis", "":
+		senderSettings.TargetStrategy = internet.DomainStrategy_AS_IS
+	case "useip":
+		senderSettings.TargetStrategy = internet.DomainStrategy_USE_IP
+	case "useipv4":
+		senderSettings.TargetStrategy = internet.DomainStrategy_USE_IP4
+	case "useipv6":
+		senderSettings.TargetStrategy = internet.DomainStrategy_USE_IP6
+	case "useipv4v6":
+		senderSettings.TargetStrategy = internet.DomainStrategy_USE_IP46
+	case "useipv6v4":
+		senderSettings.TargetStrategy = internet.DomainStrategy_USE_IP64
+	case "forceip":
+		senderSettings.TargetStrategy = internet.DomainStrategy_FORCE_IP
+	case "forceipv4":
+		senderSettings.TargetStrategy = internet.DomainStrategy_FORCE_IP4
+	case "forceipv6":
+		senderSettings.TargetStrategy = internet.DomainStrategy_FORCE_IP6
+	case "forceipv4v6":
+		senderSettings.TargetStrategy = internet.DomainStrategy_FORCE_IP46
+	case "forceipv6v4":
+		senderSettings.TargetStrategy = internet.DomainStrategy_FORCE_IP64
+	default:
+		return nil, errors.New("unsupported target domain strategy: ", c.TargetStrategy)
+	}
 	if err := c.checkChainProxyConfig(); err != nil {
 		return nil, err
 	}

infra/conf/xray_test.go

@@ -77,7 +77,6 @@ func TestXrayConfig(t *testing.T) {
 							"ip": [
 								"10.0.0.0/8"
 							],
-							"type": "field",
 							"outboundTag": "blocked"
 						}
 					]

main/commands/all/api/source_ip_block.go

@@ -93,7 +93,6 @@ func executeSourceIpBlock(cmd *base.Command, args []string) {
 				"ruleTag" : "%s",
 				"inboundTag": %s,		
 				"outboundTag": "%s",
-				"type": "field",
 				"source": %s
 			  }
 			]

main/commands/all/commands.go

@@ -17,6 +17,5 @@ func init() {
 		cmdX25519,
 		cmdWG,
 		cmdMLDSA65,
-		cmdMLKEM768,
 	)
 }

main/commands/all/curve25519.go

@@ -1,13 +1,17 @@
 package all
 
 import (
-	"crypto/ecdh"
 	"crypto/rand"
 	"encoding/base64"
 	"fmt"
+
+	"golang.org/x/crypto/curve25519"
 )
 
 func Curve25519Genkey(StdEncoding bool, input_base64 string) {
+	var output string
+	var err error
+	var privateKey, publicKey []byte
 	var encoding *base64.Encoding
 	if *input_stdEncoding || StdEncoding {
 		encoding = base64.StdEncoding
@@ -15,32 +19,40 @@ func Curve25519Genkey(StdEncoding bool, input_base64 string) {
 		encoding = base64.RawURLEncoding
 	}
 
-	var privateKey []byte
 	if len(input_base64) > 0 {
-		privateKey, _ = encoding.DecodeString(input_base64)
+		privateKey, err = encoding.DecodeString(input_base64)
-		if len(privateKey) != 32 {
+		if err != nil {
-			fmt.Println("Invalid length of X25519 private key.")
+			output = err.Error()
-			return
+			goto out
+		}
+		if len(privateKey) != curve25519.ScalarSize {
+			output = "Invalid length of private key."
+			goto out
 		}
 	}
+
 	if privateKey == nil {
-		privateKey = make([]byte, 32)
+		privateKey = make([]byte, curve25519.ScalarSize)
-		rand.Read(privateKey)
+		if _, err = rand.Read(privateKey); err != nil {
+			output = err.Error()
+			goto out
+		}
 	}
 
 	// Modify random bytes using algorithm described at:
-	// https://cr.yp.to/ecdh.html
+	// https://cr.yp.to/ecdh.html.
-	// (Just to make sure printing the real private key)
 	privateKey[0] &= 248
 	privateKey[31] &= 127
 	privateKey[31] |= 64
 
-	key, err := ecdh.X25519().NewPrivateKey(privateKey)
+	if publicKey, err = curve25519.X25519(privateKey, curve25519.Basepoint); err != nil {
-	if err != nil {
+		output = err.Error()
-		fmt.Println(err.Error())
+		goto out
-		return
 	}
-	fmt.Printf("PrivateKey: %v\nPassword: %v",
+
+	output = fmt.Sprintf("Private key: %v\nPublic key: %v",
 		encoding.EncodeToString(privateKey),
-		encoding.EncodeToString(key.PublicKey().Bytes()))
+		encoding.EncodeToString(publicKey))
+out:
+	fmt.Println(output)
 }

main/commands/all/mldsa65.go

@@ -11,9 +11,9 @@ import (
 
 var cmdMLDSA65 = &base.Command{
 	UsageLine: `{{.Exec}} mldsa65 [-i "seed (base64.RawURLEncoding)"]`,
-	Short:     `Generate key pair for ML-DSA-65 post-quantum signature (REALITY)`,
+	Short:     `Generate key pair for ML-DSA-65 post-quantum signature`,
 	Long: `
-Generate key pair for ML-DSA-65 post-quantum signature (REALITY).
+Generate key pair for ML-DSA-65 post-quantum signature.
 
 Random: {{.Exec}} mldsa65
 
@@ -25,16 +25,12 @@ func init() {
 	cmdMLDSA65.Run = executeMLDSA65 // break init loop
 }
 
-var input_mldsa65 = cmdMLDSA65.Flag.String("i", "", "")
+var input_seed = cmdMLDSA65.Flag.String("i", "", "")
 
 func executeMLDSA65(cmd *base.Command, args []string) {
 	var seed [32]byte
-	if len(*input_mldsa65) > 0 {
+	if len(*input_seed) > 0 {
-		s, _ := base64.RawURLEncoding.DecodeString(*input_mldsa65)
+		s, _ := base64.RawURLEncoding.DecodeString(*input_seed)
-		if len(s) != 32 {
-			fmt.Println("Invalid length of ML-DSA-65 seed.")
-			return
-		}
 		seed = [32]byte(s)
 	} else {
 		rand.Read(seed[:])

main/commands/all/mlkem768.go

@@ -1,50 +0,0 @@
-package all
-
-import (
-	"crypto/mlkem"
-	"crypto/rand"
-	"crypto/sha3"
-	"encoding/base64"
-	"fmt"
-
-	"github.com/xtls/xray-core/main/commands/base"
-)
-
-var cmdMLKEM768 = &base.Command{
-	UsageLine: `{{.Exec}} mlkem768 [-i "seed (base64.RawURLEncoding)"]`,
-	Short:     `Generate key pair for ML-KEM-768 post-quantum key exchange (VLESS)`,
-	Long: `
-Generate key pair for ML-KEM-768 post-quantum key exchange (VLESS).
-
-Random: {{.Exec}} mlkem768
-
-From seed: {{.Exec}} mlkem768 -i "seed (base64.RawURLEncoding)"
-`,
-}
-
-func init() {
-	cmdMLKEM768.Run = executeMLKEM768 // break init loop
-}
-
-var input_mlkem768 = cmdMLKEM768.Flag.String("i", "", "")
-
-func executeMLKEM768(cmd *base.Command, args []string) {
-	var seed [64]byte
-	if len(*input_mlkem768) > 0 {
-		s, _ := base64.RawURLEncoding.DecodeString(*input_mlkem768)
-		if len(s) != 64 {
-			fmt.Println("Invalid length of ML-KEM-768 seed.")
-			return
-		}
-		seed = [64]byte(s)
-	} else {
-		rand.Read(seed[:])
-	}
-	key, _ := mlkem.NewDecapsulationKey768(seed[:])
-	client := key.EncapsulationKey().Bytes()
-	hash32 := sha3.Sum256(client)
-	fmt.Printf("Seed: %v\nClient: %v\nHash11: %v",
-		base64.RawURLEncoding.EncodeToString(seed[:]),
-		base64.RawURLEncoding.EncodeToString(client),
-		base64.RawURLEncoding.EncodeToString(hash32[:11]))
-}

main/commands/all/tls/ping.go

@@ -6,9 +6,7 @@ import (
 	"encoding/base64"
 	"fmt"
 	"net"
-	"reflect"
 	"strconv"
-	"unsafe"
 
 	"github.com/xtls/xray-core/main/commands/base"
 	. "github.com/xtls/xray-core/transport/internet/tls"
@@ -139,14 +137,15 @@ func printCertificates(certs []*x509.Certificate) {
 }
 
 func printTLSConnDetail(tlsConn *gotls.Conn) {
+	connectionState := tlsConn.ConnectionState()
 	var tlsVersion string
-	if tlsConn.ConnectionState().Version == gotls.VersionTLS13 {
+	if connectionState.Version == gotls.VersionTLS13 {
 		tlsVersion = "TLS 1.3"
-	} else if tlsConn.ConnectionState().Version == gotls.VersionTLS12 {
+	} else if connectionState.Version == gotls.VersionTLS12 {
 		tlsVersion = "TLS 1.2"
 	}
 	fmt.Println("TLS Version: ", tlsVersion)
-	curveID := *(*gotls.CurveID)(unsafe.Pointer(reflect.ValueOf(tlsConn).Elem().FieldByName("curveID").UnsafeAddr()))
+	curveID := connectionState.CurveID
 	if curveID != 0 {
 		PostQuantum := (curveID == gotls.X25519MLKEM768)
 		fmt.Println("TLS Post-Quantum key exchange: ", PostQuantum, "("+curveID.String()+")")

main/commands/all/uuid.go

@@ -9,9 +9,9 @@ import (
 
 var cmdUUID = &base.Command{
 	UsageLine: `{{.Exec}} uuid [-i "example"]`,
-	Short:     `Generate UUIDv4 or UUIDv5 (VLESS)`,
+	Short:     `Generate UUIDv4 or UUIDv5`,
 	Long: `
-Generate UUIDv4 or UUIDv5 (VLESS).
+Generate UUIDv4 or UUIDv5.
 
 UUIDv4 (random): {{.Exec}} uuid
 

main/commands/all/wg.go

@@ -6,9 +6,9 @@ import (
 
 var cmdWG = &base.Command{
 	UsageLine: `{{.Exec}} wg [-i "private key (base64.StdEncoding)"]`,
-	Short:     `Generate key pair for X25519 key exchange (WireGuard)`,
+	Short:     `Generate key pair for wireguard key exchange`,
 	Long: `
-Generate key pair for X25519 key exchange (WireGuard).
+Generate key pair for wireguard key exchange.
 
 Random: {{.Exec}} wg
 

main/commands/all/x25519.go

@@ -6,9 +6,9 @@ import (
 
 var cmdX25519 = &base.Command{
 	UsageLine: `{{.Exec}} x25519 [-i "private key (base64.RawURLEncoding)"] [--std-encoding]`,
-	Short:     `Generate key pair for X25519 key exchange (VLESS, REALITY)`,
+	Short:     `Generate key pair for x25519 key exchange`,
 	Long: `
-Generate key pair for X25519 key exchange (VLESS, REALITY).
+Generate key pair for x25519 key exchange.
 
 Random: {{.Exec}} x25519
 

proxy/dns/dns.go

@@ -65,6 +65,9 @@ func (h *Handler) Init(config *Config, dnsClient dns.Client, policyManager polic
 		h.server = config.Server.AsDestination()
 	}
 	h.nonIPQuery = config.Non_IPQuery
+	if h.nonIPQuery == "" {
+		h.nonIPQuery = "reject"
+	}
 	h.blockTypes = config.BlockTypes
 	return nil
 }

proxy/dokodemo/dokodemo.go

@@ -91,7 +91,7 @@ func (d *DokodemoDoor) Process(ctx context.Context, network net.Network, conn st
 			}
 		}
 		if dest.Port == 0 {
-			dest.Port = net.Port(common.Must2(strconv.Atoi(port)).(int))
+			dest.Port = net.Port(common.Must2(strconv.Atoi(port)))
 		}
 		if d.portMap != nil && d.portMap[port] != "" {
 			h, p, _ := net.SplitHostPort(d.portMap[port])
@@ -99,7 +99,7 @@ func (d *DokodemoDoor) Process(ctx context.Context, network net.Network, conn st
 				dest.Address = net.ParseAddress(h)
 			}
 			if len(p) > 0 {
-				dest.Port = net.Port(common.Must2(strconv.Atoi(p)).(int))
+				dest.Port = net.Port(common.Must2(strconv.Atoi(p)))
 			}
 		}
 	}

proxy/proxy.go

@@ -25,7 +25,6 @@ import (
 	"github.com/xtls/xray-core/common/signal"
 	"github.com/xtls/xray-core/features/routing"
 	"github.com/xtls/xray-core/features/stats"
-	"github.com/xtls/xray-core/proxy/vless/encryption"
 	"github.com/xtls/xray-core/transport"
 	"github.com/xtls/xray-core/transport/internet"
 	"github.com/xtls/xray-core/transport/internet/reality"
@@ -525,40 +524,24 @@ func XtlsFilterTls(buffer buf.MultiBuffer, trafficState *TrafficState, ctx conte
 	}
 }
 
-// UnwrapRawConn support unwrap encryption, stats, tls, utls, reality, proxyproto, uds-wrapper conn and get raw tcp/uds conn from it
+// UnwrapRawConn support unwrap stats, tls, utls, reality, proxyproto, uds-wrapper conn and get raw tcp/uds conn from it
 func UnwrapRawConn(conn net.Conn) (net.Conn, stats.Counter, stats.Counter) {
 	var readCounter, writerCounter stats.Counter
 	if conn != nil {
-		isEncryption := false
+		statConn, ok := conn.(*stat.CounterConnection)
-		if clientConn, ok := conn.(*encryption.ClientConn); ok {
+		if ok {
-			conn = clientConn.Conn
-			isEncryption = true
-		}
-		if serverConn, ok := conn.(*encryption.ServerConn); ok {
-			conn = serverConn.Conn
-			isEncryption = true
-		}
-		if xorConn, ok := conn.(*encryption.XorConn); ok {
-			if !xorConn.Divide {
-				return xorConn, nil, nil // full-random xorConn should not be penetrated
-			}
-			conn = xorConn.Conn
-		}
-		if statConn, ok := conn.(*stat.CounterConnection); ok {
 			conn = statConn.Connection
 			readCounter = statConn.ReadCounter
 			writerCounter = statConn.WriteCounter
 		}
-		if !isEncryption { // avoids double penetration
+		if xc, ok := conn.(*tls.Conn); ok {
-			if xc, ok := conn.(*tls.Conn); ok {
+			conn = xc.NetConn()
-				conn = xc.NetConn()
+		} else if utlsConn, ok := conn.(*tls.UConn); ok {
-			} else if utlsConn, ok := conn.(*tls.UConn); ok {
+			conn = utlsConn.NetConn()
-				conn = utlsConn.NetConn()
+		} else if realityConn, ok := conn.(*reality.Conn); ok {
-			} else if realityConn, ok := conn.(*reality.Conn); ok {
+			conn = realityConn.NetConn()
-				conn = realityConn.NetConn()
+		} else if realityUConn, ok := conn.(*reality.UConn); ok {
-			} else if realityUConn, ok := conn.(*reality.UConn); ok {
+			conn = realityUConn.NetConn()
-				conn = realityUConn.NetConn()
-			}
 		}
 		if pc, ok := conn.(*proxyproto.Conn); ok {
 			conn = pc.Raw()
@@ -649,20 +632,9 @@ func CopyRawConnIfExist(ctx context.Context, readerConn net.Conn, writerConn net
 }
 
 func readV(ctx context.Context, reader buf.Reader, writer buf.Writer, timer signal.ActivityUpdater, readCounter stats.Counter) error {
-	errors.LogInfo(ctx, "CopyRawConn (maybe) readv")
+	errors.LogInfo(ctx, "CopyRawConn readv")
 	if err := buf.Copy(reader, writer, buf.UpdateActivity(timer), buf.AddToStatCounter(readCounter)); err != nil {
 		return errors.New("failed to process response").Base(err)
 	}
 	return nil
 }
-
-func IsRAWTransport(conn stat.Connection) bool {
-	iConn := conn
-	if statConn, ok := iConn.(*stat.CounterConnection); ok {
-		iConn = statConn.Connection
-	}
-	_, ok1 := iConn.(*proxyproto.Conn)
-	_, ok2 := iConn.(*net.TCPConn)
-	_, ok3 := iConn.(*internet.UnixConnWrapper)
-	return ok1 || ok2 || ok3
-}

proxy/shadowsocks/config.go

@@ -2,7 +2,6 @@ package shadowsocks
 
 import (
 	"bytes"
-	"crypto/aes"
 	"crypto/cipher"
 	"crypto/md5"
 	"crypto/sha1"
@@ -58,11 +57,7 @@ func (a *MemoryAccount) CheckIV(iv []byte) error {
 }
 
 func createAesGcm(key []byte) cipher.AEAD {
-	block, err := aes.NewCipher(key)
+	return crypto.NewAesGcm(key)
-	common.Must(err)
-	gcm, err := cipher.NewGCM(block)
-	common.Must(err)
-	return gcm
 }
 
 func createChaCha20Poly1305(key []byte) cipher.AEAD {

proxy/vless/account.go

@@ -18,8 +18,6 @@ func (a *Account) AsAccount() (protocol.Account, error) {
 		ID:         protocol.NewID(id),
 		Flow:       a.Flow,       // needs parser here?
 		Encryption: a.Encryption, // needs parser here?
-		XorMode:    a.XorMode,
-		Minutes:    a.Minutes,
 	}, nil
 }
 
@@ -29,10 +27,8 @@ type MemoryAccount struct {
 	ID *protocol.ID
 	// Flow of the account. May be "xtls-rprx-vision".
 	Flow string
-
+	// Encryption of the account. Used for client connections, and only accepts "none" for now.
 	Encryption string
-	XorMode    uint32
-	Minutes    uint32
 }
 
 // Equals implements protocol.Account.Equals().
@@ -49,7 +45,5 @@ func (a *MemoryAccount) ToProto() proto.Message {
 		Id:         a.ID.String(),
 		Flow:       a.Flow,
 		Encryption: a.Encryption,
-		XorMode:    a.XorMode,
-		Minutes:    a.Minutes,
 	}
 }

proxy/vless/account.pb.go

@@ -28,10 +28,9 @@ type Account struct {
 	// ID of the account, in the form of a UUID, e.g., "66ad4540-b58c-4ad2-9926-ea63445a9b57".
 	Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
 	// Flow settings. May be "xtls-rprx-vision".
-	Flow       string `protobuf:"bytes,2,opt,name=flow,proto3" json:"flow,omitempty"`
+	Flow string `protobuf:"bytes,2,opt,name=flow,proto3" json:"flow,omitempty"`
+	// Encryption settings. Only applies to client side, and only accepts "none" for now.
 	Encryption string `protobuf:"bytes,3,opt,name=encryption,proto3" json:"encryption,omitempty"`
-	XorMode    uint32 `protobuf:"varint,4,opt,name=xorMode,proto3" json:"xorMode,omitempty"`
-	Minutes    uint32 `protobuf:"varint,5,opt,name=minutes,proto3" json:"minutes,omitempty"`
 }
 
 func (x *Account) Reset() {
@@ -85,40 +84,23 @@ func (x *Account) GetEncryption() string {
 	return ""
 }
 
-func (x *Account) GetXorMode() uint32 {
-	if x != nil {
-		return x.XorMode
-	}
-	return 0
-}
-
-func (x *Account) GetMinutes() uint32 {
-	if x != nil {
-		return x.Minutes
-	}
-	return 0
-}
-
 var File_proxy_vless_account_proto protoreflect.FileDescriptor
 
 var file_proxy_vless_account_proto_rawDesc = []byte{
 	0x0a, 0x19, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2f, 0x76, 0x6c, 0x65, 0x73, 0x73, 0x2f, 0x61, 0x63,
 	0x63, 0x6f, 0x75, 0x6e, 0x74, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x10, 0x78, 0x72, 0x61,
-	0x79, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x76, 0x6c, 0x65, 0x73, 0x73, 0x22, 0x81, 0x01,
+	0x79, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x76, 0x6c, 0x65, 0x73, 0x73, 0x22, 0x4d, 0x0a,
-	0x0a, 0x07, 0x41, 0x63, 0x63, 0x6f, 0x75, 0x6e, 0x74, 0x12, 0x0e, 0x0a, 0x02, 0x69, 0x64, 0x18,
+	0x07, 0x41, 0x63, 0x63, 0x6f, 0x75, 0x6e, 0x74, 0x12, 0x0e, 0x0a, 0x02, 0x69, 0x64, 0x18, 0x01,
-	0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x02, 0x69, 0x64, 0x12, 0x12, 0x0a, 0x04, 0x66, 0x6c, 0x6f,
+	0x20, 0x01, 0x28, 0x09, 0x52, 0x02, 0x69, 0x64, 0x12, 0x12, 0x0a, 0x04, 0x66, 0x6c, 0x6f, 0x77,
-	0x77, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x66, 0x6c, 0x6f, 0x77, 0x12, 0x1e, 0x0a,
+	0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x66, 0x6c, 0x6f, 0x77, 0x12, 0x1e, 0x0a, 0x0a,
-	0x0a, 0x65, 0x6e, 0x63, 0x72, 0x79, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x18, 0x03, 0x20, 0x01, 0x28,
+	0x65, 0x6e, 0x63, 0x72, 0x79, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09,
-	0x09, 0x52, 0x0a, 0x65, 0x6e, 0x63, 0x72, 0x79, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x12, 0x18, 0x0a,
+	0x52, 0x0a, 0x65, 0x6e, 0x63, 0x72, 0x79, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x42, 0x52, 0x0a, 0x14,
-	0x07, 0x78, 0x6f, 0x72, 0x4d, 0x6f, 0x64, 0x65, 0x18, 0x04, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x07,
+	0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x76,
-	0x78, 0x6f, 0x72, 0x4d, 0x6f, 0x64, 0x65, 0x12, 0x18, 0x0a, 0x07, 0x6d, 0x69, 0x6e, 0x75, 0x74,
+	0x6c, 0x65, 0x73, 0x73, 0x50, 0x01, 0x5a, 0x25, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63,
-	0x65, 0x73, 0x18, 0x05, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x07, 0x6d, 0x69, 0x6e, 0x75, 0x74, 0x65,
+	0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72,
-	0x73, 0x42, 0x52, 0x0a, 0x14, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x70, 0x72,
+	0x65, 0x2f, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2f, 0x76, 0x6c, 0x65, 0x73, 0x73, 0xaa, 0x02, 0x10,
-	0x6f, 0x78, 0x79, 0x2e, 0x76, 0x6c, 0x65, 0x73, 0x73, 0x50, 0x01, 0x5a, 0x25, 0x67, 0x69, 0x74,
+	0x58, 0x72, 0x61, 0x79, 0x2e, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x56, 0x6c, 0x65, 0x73, 0x73,
-	0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61,
+	0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
-	0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2f, 0x76, 0x6c, 0x65,
-	0x73, 0x73, 0xaa, 0x02, 0x10, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x2e,
-	0x56, 0x6c, 0x65, 0x73, 0x73, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (

proxy/vless/account.proto

@@ -11,8 +11,6 @@ message Account {
   string id = 1;
   // Flow settings. May be "xtls-rprx-vision".
   string flow = 2;
-
+  // Encryption settings. Only applies to client side, and only accepts "none" for now.
   string encryption = 3;
-  uint32 xorMode = 4;
-  uint32 minutes = 5;
 }

proxy/vless/encoding/encoding.go

@@ -62,7 +62,7 @@ func EncodeRequestHeader(writer io.Writer, request *protocol.RequestHeader, requ
 }
 
 // DecodeRequestHeader decodes and returns (if successful) a RequestHeader from an input stream.
-func DecodeRequestHeader(isfb bool, first *buf.Buffer, reader io.Reader, validator vless.Validator) (*protocol.RequestHeader, *Addons, bool, error) {
+func DecodeRequestHeader(isfb bool, first *buf.Buffer, reader io.Reader, validator vless.Validator) ([]byte, *protocol.RequestHeader, *Addons, bool, error) {
 	buffer := buf.StackNew()
 	defer buffer.Release()
 
@@ -72,7 +72,7 @@ func DecodeRequestHeader(isfb bool, first *buf.Buffer, reader io.Reader, validat
 		request.Version = first.Byte(0)
 	} else {
 		if _, err := buffer.ReadFullFrom(reader, 1); err != nil {
-			return nil, nil, false, errors.New("failed to read request version").Base(err)
+			return nil, nil, nil, false, errors.New("failed to read request version").Base(err)
 		}
 		request.Version = buffer.Byte(0)
 	}
@@ -87,13 +87,13 @@ func DecodeRequestHeader(isfb bool, first *buf.Buffer, reader io.Reader, validat
 		} else {
 			buffer.Clear()
 			if _, err := buffer.ReadFullFrom(reader, 16); err != nil {
-				return nil, nil, false, errors.New("failed to read request user id").Base(err)
+				return nil, nil, nil, false, errors.New("failed to read request user id").Base(err)
 			}
 			copy(id[:], buffer.Bytes())
 		}
 
 		if request.User = validator.Get(id); request.User == nil {
-			return nil, nil, isfb, errors.New("invalid request user id")
+			return nil, nil, nil, isfb, errors.New("invalid request user id")
 		}
 
 		if isfb {
@@ -102,12 +102,12 @@ func DecodeRequestHeader(isfb bool, first *buf.Buffer, reader io.Reader, validat
 
 		requestAddons, err := DecodeHeaderAddons(&buffer, reader)
 		if err != nil {
-			return nil, nil, false, errors.New("failed to decode request header addons").Base(err)
+			return nil, nil, nil, false, errors.New("failed to decode request header addons").Base(err)
 		}
 
 		buffer.Clear()
 		if _, err := buffer.ReadFullFrom(reader, 1); err != nil {
-			return nil, nil, false, errors.New("failed to read request command").Base(err)
+			return nil, nil, nil, false, errors.New("failed to read request command").Base(err)
 		}
 
 		request.Command = protocol.RequestCommand(buffer.Byte(0))
@@ -122,11 +122,11 @@ func DecodeRequestHeader(isfb bool, first *buf.Buffer, reader io.Reader, validat
 			}
 		}
 		if request.Address == nil {
-			return nil, nil, false, errors.New("invalid request address")
+			return nil, nil, nil, false, errors.New("invalid request address")
 		}
-		return request, requestAddons, false, nil
+		return id[:], request, requestAddons, false, nil
 	default:
-		return nil, nil, isfb, errors.New("invalid request version")
+		return nil, nil, nil, isfb, errors.New("invalid request version")
 	}
 }
 
@@ -172,7 +172,7 @@ func DecodeResponseHeader(reader io.Reader, request *protocol.RequestHeader) (*A
 }
 
 // XtlsRead filter and read xtls protocol
-func XtlsRead(reader buf.Reader, writer buf.Writer, timer *signal.ActivityTimer, conn net.Conn, peerCache *[]byte, input *bytes.Reader, rawInput *bytes.Buffer, trafficState *proxy.TrafficState, ob *session.Outbound, isUplink bool, ctx context.Context) error {
+func XtlsRead(reader buf.Reader, writer buf.Writer, timer *signal.ActivityTimer, conn net.Conn, input *bytes.Reader, rawInput *bytes.Buffer, trafficState *proxy.TrafficState, ob *session.Outbound, isUplink bool, ctx context.Context) error {
 	err := func() error {
 		for {
 			if isUplink && trafficState.Inbound.UplinkReaderDirectCopy || !isUplink && trafficState.Outbound.DownlinkReaderDirectCopy {
@@ -194,21 +194,15 @@ func XtlsRead(reader buf.Reader, writer buf.Writer, timer *signal.ActivityTimer,
 			if !buffer.IsEmpty() {
 				timer.Update()
 				if isUplink && trafficState.Inbound.UplinkReaderDirectCopy || !isUplink && trafficState.Outbound.DownlinkReaderDirectCopy {
-					// XTLS Vision processes struct Encryption Conn's peerCache or TLS Conn's input and rawInput
+					// XTLS Vision processes struct TLS Conn's input and rawInput
-					if peerCache != nil {
+					if inputBuffer, err := buf.ReadFrom(input); err == nil {
-						if len(*peerCache) != 0 {
+						if !inputBuffer.IsEmpty() {
-							buffer = buf.MergeBytes(buffer, *peerCache)
+							buffer, _ = buf.MergeMulti(buffer, inputBuffer)
 						}
-					} else {
+					}
-						if inputBuffer, err := buf.ReadFrom(input); err == nil {
+					if rawInputBuffer, err := buf.ReadFrom(rawInput); err == nil {
-							if !inputBuffer.IsEmpty() {
+						if !rawInputBuffer.IsEmpty() {
-								buffer, _ = buf.MergeMulti(buffer, inputBuffer)
+							buffer, _ = buf.MergeMulti(buffer, rawInputBuffer)
-							}
-						}
-						if rawInputBuffer, err := buf.ReadFrom(rawInput); err == nil {
-							if !rawInputBuffer.IsEmpty() {
-								buffer, _ = buf.MergeMulti(buffer, rawInputBuffer)
-							}
 						}
 					}
 				}

proxy/vless/encoding/encoding_test.go

@@ -45,7 +45,7 @@ func TestRequestSerialization(t *testing.T) {
 	Validator := new(vless.MemoryValidator)
 	Validator.Add(user)
 
-	actualRequest, actualAddons, _, err := DecodeRequestHeader(false, nil, &buffer, Validator)
+	_, actualRequest, actualAddons, _, err := DecodeRequestHeader(false, nil, &buffer, Validator)
 	common.Must(err)
 
 	if r := cmp.Diff(actualRequest, expectedRequest, cmp.AllowUnexported(protocol.ID{})); r != "" {
@@ -86,7 +86,7 @@ func TestInvalidRequest(t *testing.T) {
 	Validator := new(vless.MemoryValidator)
 	Validator.Add(user)
 
-	_, _, _, err := DecodeRequestHeader(false, nil, &buffer, Validator)
+	_, _, _, _, err := DecodeRequestHeader(false, nil, &buffer, Validator)
 	if err == nil {
 		t.Error("nil error")
 	}
@@ -117,7 +117,7 @@ func TestMuxRequest(t *testing.T) {
 	Validator := new(vless.MemoryValidator)
 	Validator.Add(user)
 
-	actualRequest, actualAddons, _, err := DecodeRequestHeader(false, nil, &buffer, Validator)
+	_, actualRequest, actualAddons, _, err := DecodeRequestHeader(false, nil, &buffer, Validator)
 	common.Must(err)
 
 	if r := cmp.Diff(actualRequest, expectedRequest, cmp.AllowUnexported(protocol.ID{})); r != "" {

proxy/vless/encryption/client.go

@@ -1,266 +0,0 @@
-package encryption
-
-import (
-	"bytes"
-	"crypto/cipher"
-	"crypto/ecdh"
-	"crypto/mlkem"
-	"crypto/rand"
-	"crypto/sha3"
-	"io"
-	"net"
-	"strings"
-	"sync"
-	"time"
-
-	"github.com/xtls/xray-core/common/crypto"
-	"github.com/xtls/xray-core/common/errors"
-	"github.com/xtls/xray-core/common/protocol"
-)
-
-var ClientCipher byte
-
-func init() {
-	if protocol.HasAESGCMHardwareSupport {
-		ClientCipher = 1
-	}
-}
-
-type ClientInstance struct {
-	sync.RWMutex
-	nfsEKey *mlkem.EncapsulationKey768
-	hash11  [11]byte // no more capacity
-	xorMode uint32
-	xorPKey *ecdh.PublicKey
-	minutes time.Duration
-	expire  time.Time
-	baseKey []byte
-	ticket  []byte
-}
-
-type ClientConn struct {
-	net.Conn
-	instance  *ClientInstance
-	baseKey   []byte
-	ticket    []byte
-	random    []byte
-	aead      cipher.AEAD
-	nonce     []byte
-	peerAEAD  cipher.AEAD
-	peerNonce []byte
-	PeerCache []byte
-}
-
-func (i *ClientInstance) Init(nfsEKeyBytes, xorPKeyBytes []byte, xorMode, minutes uint32) (err error) {
-	if i.nfsEKey != nil {
-		err = errors.New("already initialized")
-		return
-	}
-	if i.nfsEKey, err = mlkem.NewEncapsulationKey768(nfsEKeyBytes); err != nil {
-		return
-	}
-	if xorMode > 0 {
-		i.xorMode = xorMode
-		if i.xorPKey, err = ecdh.X25519().NewPublicKey(xorPKeyBytes); err != nil {
-			return
-		}
-		hash32 := sha3.Sum256(nfsEKeyBytes)
-		copy(i.hash11[:], hash32[:])
-	}
-	i.minutes = time.Duration(minutes) * time.Minute
-	return
-}
-
-func (i *ClientInstance) Handshake(conn net.Conn) (*ClientConn, error) {
-	if i.nfsEKey == nil {
-		return nil, errors.New("uninitialized")
-	}
-	if i.xorMode > 0 {
-		conn, _ = NewXorConn(conn, i.xorMode, i.xorPKey, nil)
-	}
-	c := &ClientConn{Conn: conn}
-
-	if i.minutes > 0 {
-		i.RLock()
-		if time.Now().Before(i.expire) {
-			c.instance = i
-			c.baseKey = i.baseKey
-			c.ticket = i.ticket
-			i.RUnlock()
-			return c, nil
-		}
-		i.RUnlock()
-	}
-
-	pfsDKeySeed := make([]byte, 64)
-	rand.Read(pfsDKeySeed)
-	pfsDKey, _ := mlkem.NewDecapsulationKey768(pfsDKeySeed)
-	pfsEKeyBytes := pfsDKey.EncapsulationKey().Bytes()
-	nfsKey, encapsulatedNfsKey := i.nfsEKey.Encapsulate()
-	nfsAEAD := NewAEAD(ClientCipher, nfsKey, pfsEKeyBytes, encapsulatedNfsKey)
-
-	clientHello := make([]byte, 5+11+1+1184+1088+crypto.RandBetween(100, 1000))
-	EncodeHeader(clientHello, 1, 11+1+1184+1088)
-	copy(clientHello[5:], i.hash11[:])
-	clientHello[5+11] = ClientCipher
-	copy(clientHello[5+11+1:], pfsEKeyBytes)
-	copy(clientHello[5+11+1+1184:], encapsulatedNfsKey)
-	padding := clientHello[5+11+1+1184+1088:]
-	rand.Read(padding) // important
-	EncodeHeader(padding, 23, len(padding)-5)
-	nfsAEAD.Seal(padding[:5], clientHello[5:5+11+1], padding[5:len(padding)-16], padding[:5])
-
-	if _, err := c.Conn.Write(clientHello); err != nil {
-		return nil, err
-	}
-	// client can send more NFS AEAD paddings / messages if needed
-
-	_, t, l, err := ReadAndDiscardPaddings(c.Conn, nil, nil) // allow paddings before server hello
-	if err != nil {
-		return nil, err
-	}
-
-	if t != 1 {
-		return nil, errors.New("unexpected type ", t, ", expect server hello")
-	}
-	peerServerHello := make([]byte, 1088+21)
-	if l != len(peerServerHello) {
-		return nil, errors.New("unexpected length ", l, " for server hello")
-	}
-	if _, err := io.ReadFull(c.Conn, peerServerHello); err != nil {
-		return nil, err
-	}
-	encapsulatedPfsKey := peerServerHello[:1088]
-	c.ticket = append(i.hash11[:], peerServerHello[1088:]...)
-
-	pfsKey, err := pfsDKey.Decapsulate(encapsulatedPfsKey)
-	if err != nil {
-		return nil, err
-	}
-	c.baseKey = append(pfsKey, nfsKey...)
-
-	VLESS, _ := NewAEAD(ClientCipher, c.baseKey, encapsulatedPfsKey, encapsulatedNfsKey).Open(nil, append(i.hash11[:], ClientCipher), c.ticket[11:], pfsEKeyBytes)
-	if !bytes.Equal(VLESS, []byte("VLESS")) {
-		return nil, errors.New("invalid server").AtError()
-	}
-
-	if i.minutes > 0 {
-		i.Lock()
-		i.expire = time.Now().Add(i.minutes)
-		i.baseKey = c.baseKey
-		i.ticket = c.ticket
-		i.Unlock()
-	}
-
-	return c, nil
-}
-
-func (c *ClientConn) Write(b []byte) (int, error) {
-	if len(b) == 0 {
-		return 0, nil
-	}
-	var data []byte
-	for n := 0; n < len(b); {
-		b := b[n:]
-		if len(b) > 8192 {
-			b = b[:8192] // for avoiding another copy() in server's Read()
-		}
-		n += len(b)
-		if c.aead == nil {
-			data = make([]byte, 5+32+32+5+len(b)+16)
-			EncodeHeader(data, 0, 32+32)
-			copy(data[5:], c.ticket)
-			c.random = make([]byte, 32)
-			rand.Read(c.random)
-			copy(data[5+32:], c.random)
-			EncodeHeader(data[5+32+32:], 23, len(b)+16)
-			c.aead = NewAEAD(ClientCipher, c.baseKey, c.random, c.ticket)
-			c.nonce = make([]byte, 12)
-			c.aead.Seal(data[:5+32+32+5], c.nonce, b, data[5+32+32:5+32+32+5])
-		} else {
-			data = make([]byte, 5+len(b)+16)
-			EncodeHeader(data, 23, len(b)+16)
-			c.aead.Seal(data[:5], c.nonce, b, data[:5])
-			if bytes.Equal(c.nonce, MaxNonce) {
-				c.aead = NewAEAD(ClientCipher, c.baseKey, data[5:], data[:5])
-			}
-		}
-		IncreaseNonce(c.nonce)
-		if _, err := c.Conn.Write(data); err != nil {
-			return 0, err
-		}
-	}
-	return len(b), nil
-}
-
-func (c *ClientConn) Read(b []byte) (int, error) {
-	if len(b) == 0 {
-		return 0, nil
-	}
-	if c.peerAEAD == nil {
-		_, t, l, err := ReadAndDiscardPaddings(c.Conn, nil, nil) // allow paddings before random hello
-		if err != nil {
-			if c.instance != nil && strings.HasPrefix(err.Error(), "invalid header: ") { // 0-RTT
-				c.instance.Lock()
-				if bytes.Equal(c.ticket, c.instance.ticket) {
-					c.instance.expire = time.Now() // expired
-				}
-				c.instance.Unlock()
-				return 0, errors.New("new handshake needed")
-			}
-			return 0, err
-		}
-		if t != 0 {
-			return 0, errors.New("unexpected type ", t, ", expect random hello")
-		}
-		peerRandomHello := make([]byte, 32)
-		if l != len(peerRandomHello) {
-			return 0, errors.New("unexpected length ", l, " for random hello")
-		}
-		if _, err := io.ReadFull(c.Conn, peerRandomHello); err != nil {
-			return 0, err
-		}
-		if c.random == nil {
-			return 0, errors.New("empty c.random")
-		}
-		c.peerAEAD = NewAEAD(ClientCipher, c.baseKey, peerRandomHello, c.random)
-		c.peerNonce = make([]byte, 12)
-	}
-	if len(c.PeerCache) != 0 {
-		n := copy(b, c.PeerCache)
-		c.PeerCache = c.PeerCache[n:]
-		return n, nil
-	}
-	h, t, l, err := ReadAndDecodeHeader(c.Conn) // l: 17~17000
-	if err != nil {
-		return 0, err
-	}
-	if t != 23 {
-		return 0, errors.New("unexpected type ", t, ", expect encrypted data")
-	}
-	peerData := make([]byte, l)
-	if _, err := io.ReadFull(c.Conn, peerData); err != nil {
-		return 0, err
-	}
-	dst := peerData[:l-16]
-	if len(dst) <= len(b) {
-		dst = b[:len(dst)] // avoids another copy()
-	}
-	var peerAEAD cipher.AEAD
-	if bytes.Equal(c.peerNonce, MaxNonce) {
-		peerAEAD = NewAEAD(ClientCipher, c.baseKey, peerData, h)
-	}
-	_, err = c.peerAEAD.Open(dst[:0], c.peerNonce, peerData, h)
-	if peerAEAD != nil {
-		c.peerAEAD = peerAEAD
-	}
-	IncreaseNonce(c.peerNonce)
-	if err != nil {
-		return 0, err
-	}
-	if len(dst) > len(b) {
-		c.PeerCache = dst[copy(b, dst):]
-		dst = b // for len(dst)
-	}
-	return len(dst), nil
-}

proxy/vless/encryption/common.go

@@ -1,100 +0,0 @@
-package encryption
-
-import (
-	"bytes"
-	"crypto/aes"
-	"crypto/cipher"
-	"crypto/hkdf"
-	"crypto/sha3"
-	"fmt"
-	"io"
-	"net"
-
-	"github.com/xtls/xray-core/common/errors"
-	"golang.org/x/crypto/chacha20poly1305"
-)
-
-var MaxNonce = bytes.Repeat([]byte{255}, 12)
-
-func EncodeHeader(h []byte, t byte, l int) {
-	switch t {
-	case 1:
-		h[0] = 1
-		h[1] = 1
-		h[2] = 1
-	case 0:
-		h[0] = 0
-		h[1] = 0
-		h[2] = 0
-	case 23:
-		h[0] = 23
-		h[1] = 3
-		h[2] = 3
-	}
-	h[3] = byte(l >> 8)
-	h[4] = byte(l)
-}
-
-func DecodeHeader(h []byte) (t byte, l int, err error) {
-	l = int(h[3])<<8 | int(h[4])
-	if h[0] == 23 && h[1] == 3 && h[2] == 3 {
-		t = 23
-	} else if h[0] == 0 && h[1] == 0 && h[2] == 0 {
-		t = 0
-	} else if h[0] == 1 && h[1] == 1 && h[2] == 1 {
-		t = 1
-	} else {
-		l = 0
-	}
-	if l < 17 || l > 17000 { // TODO: TLSv1.3 max length
-		err = errors.New("invalid header: ", fmt.Sprintf("%v", h[:5])) // DO NOT CHANGE: relied by client's Read()
-	}
-	return
-}
-
-func ReadAndDecodeHeader(conn net.Conn) (h []byte, t byte, l int, err error) {
-	h = make([]byte, 5)
-	if _, err = io.ReadFull(conn, h); err != nil {
-		return
-	}
-	t, l, err = DecodeHeader(h)
-	return
-}
-
-func ReadAndDiscardPaddings(conn net.Conn, aead cipher.AEAD, nonce []byte) (h []byte, t byte, l int, err error) {
-	for {
-		if h, t, l, err = ReadAndDecodeHeader(conn); err != nil || t != 23 {
-			return
-		}
-		padding := make([]byte, l)
-		if _, err = io.ReadFull(conn, padding); err != nil {
-			return
-		}
-		if aead != nil {
-			if _, err := aead.Open(nil, nonce, padding, h); err != nil {
-				return h, t, l, err
-			}
-			IncreaseNonce(nonce)
-		}
-	}
-}
-
-func NewAEAD(c byte, secret, salt, info []byte) (aead cipher.AEAD) {
-	key, _ := hkdf.Key(sha3.New256, secret, salt, string(info), 32)
-	if c&1 == 1 {
-		block, _ := aes.NewCipher(key)
-		aead, _ = cipher.NewGCM(block)
-	} else {
-		aead, _ = chacha20poly1305.New(key)
-	}
-	return
-}
-
-func IncreaseNonce(nonce []byte) {
-	for i := range 12 {
-		nonce[11-i]++
-		if nonce[11-i] != 0 {
-			break
-		}
-	}
-}

proxy/vless/encryption/server.go

@@ -1,311 +0,0 @@
-package encryption
-
-import (
-	"bytes"
-	"crypto/cipher"
-	"crypto/ecdh"
-	"crypto/mlkem"
-	"crypto/rand"
-	"crypto/sha3"
-	"fmt"
-	"io"
-	"net"
-	"sync"
-	"time"
-
-	"github.com/xtls/xray-core/common/crypto"
-	"github.com/xtls/xray-core/common/errors"
-)
-
-type ServerSession struct {
-	expire  time.Time
-	cipher  byte
-	baseKey []byte
-	randoms sync.Map
-}
-
-type ServerInstance struct {
-	sync.RWMutex
-	nfsDKey  *mlkem.DecapsulationKey768
-	hash11   [11]byte // no more capacity
-	xorMode  uint32
-	xorSKey  *ecdh.PrivateKey
-	minutes  time.Duration
-	sessions map[[32]byte]*ServerSession
-	closed   bool
-}
-
-type ServerConn struct {
-	net.Conn
-	cipher     byte
-	baseKey    []byte
-	ticket     []byte
-	peerRandom []byte
-	peerAEAD   cipher.AEAD
-	peerNonce  []byte
-	PeerCache  []byte
-	aead       cipher.AEAD
-	nonce      []byte
-}
-
-func (i *ServerInstance) Init(nfsDKeySeed, xorSKeyBytes []byte, xorMode, minutes uint32) (err error) {
-	if i.nfsDKey != nil {
-		err = errors.New("already initialized")
-		return
-	}
-	if i.nfsDKey, err = mlkem.NewDecapsulationKey768(nfsDKeySeed); err != nil {
-		return
-	}
-	if xorMode > 0 {
-		i.xorMode = xorMode
-		if i.xorSKey, err = ecdh.X25519().NewPrivateKey(xorSKeyBytes); err != nil {
-			return
-		}
-		hash32 := sha3.Sum256(i.nfsDKey.EncapsulationKey().Bytes())
-		copy(i.hash11[:], hash32[:])
-	}
-	if minutes > 0 {
-		i.minutes = time.Duration(minutes) * time.Minute
-		i.sessions = make(map[[32]byte]*ServerSession)
-		go func() {
-			for {
-				time.Sleep(time.Minute)
-				i.Lock()
-				if i.closed {
-					i.Unlock()
-					return
-				}
-				now := time.Now()
-				for ticket, session := range i.sessions {
-					if now.After(session.expire) {
-						delete(i.sessions, ticket)
-					}
-				}
-				i.Unlock()
-			}
-		}()
-	}
-	return
-}
-
-func (i *ServerInstance) Close() (err error) {
-	i.Lock()
-	i.closed = true
-	i.Unlock()
-	return
-}
-
-func (i *ServerInstance) Handshake(conn net.Conn) (*ServerConn, error) {
-	if i.nfsDKey == nil {
-		return nil, errors.New("uninitialized")
-	}
-	if i.xorMode > 0 {
-		var err error
-		if conn, err = NewXorConn(conn, i.xorMode, nil, i.xorSKey); err != nil {
-			return nil, err
-		}
-	}
-	c := &ServerConn{Conn: conn}
-
-	_, t, l, err := ReadAndDiscardPaddings(c.Conn, nil, nil) // allow paddings before client/ticket hello
-	if err != nil {
-		return nil, err
-	}
-
-	if t == 0 {
-		if i.minutes == 0 {
-			return nil, errors.New("0-RTT is not allowed")
-		}
-		peerTicketHello := make([]byte, 32+32)
-		if l != len(peerTicketHello) {
-			return nil, errors.New("unexpected length ", l, " for ticket hello")
-		}
-		if _, err := io.ReadFull(c.Conn, peerTicketHello); err != nil {
-			return nil, err
-		}
-		if !bytes.Equal(peerTicketHello[:11], i.hash11[:]) {
-			return nil, errors.New("unexpected hash11: ", fmt.Sprintf("%v", peerTicketHello[:11]))
-		}
-		i.RLock()
-		s := i.sessions[[32]byte(peerTicketHello)]
-		i.RUnlock()
-		if s == nil {
-			noises := make([]byte, crypto.RandBetween(100, 1000))
-			var err error
-			for err == nil {
-				rand.Read(noises)
-				_, _, err = DecodeHeader(noises)
-			}
-			c.Conn.Write(noises) // make client do new handshake
-			return nil, errors.New("expired ticket")
-		}
-		if _, replay := s.randoms.LoadOrStore([32]byte(peerTicketHello[32:]), true); replay {
-			return nil, errors.New("replay detected")
-		}
-		c.cipher = s.cipher
-		c.baseKey = s.baseKey
-		c.ticket = peerTicketHello[:32]
-		c.peerRandom = peerTicketHello[32:]
-		return c, nil
-	}
-
-	peerClientHello := make([]byte, 11+1+1184+1088)
-	if l != len(peerClientHello) {
-		return nil, errors.New("unexpected length ", l, " for client hello")
-	}
-	if _, err := io.ReadFull(c.Conn, peerClientHello); err != nil {
-		return nil, err
-	}
-	if !bytes.Equal(peerClientHello[:11], i.hash11[:]) {
-		return nil, errors.New("unexpected hash11: ", fmt.Sprintf("%v", peerClientHello[:11]))
-	}
-	c.cipher = peerClientHello[11]
-	pfsEKeyBytes := peerClientHello[11+1 : 11+1+1184]
-	encapsulatedNfsKey := peerClientHello[11+1+1184:]
-
-	pfsEKey, err := mlkem.NewEncapsulationKey768(pfsEKeyBytes)
-	if err != nil {
-		return nil, err
-	}
-	nfsKey, err := i.nfsDKey.Decapsulate(encapsulatedNfsKey)
-	if err != nil {
-		return nil, err
-	}
-	nfsAEAD := NewAEAD(c.cipher, nfsKey, pfsEKeyBytes, encapsulatedNfsKey)
-	nfsNonce := append([]byte{}, peerClientHello[:11+1]...)
-	pfsKey, encapsulatedPfsKey := pfsEKey.Encapsulate()
-	c.baseKey = append(pfsKey, nfsKey...)
-	pfsAEAD := NewAEAD(c.cipher, c.baseKey, encapsulatedPfsKey, encapsulatedNfsKey)
-	pfsNonce := append([]byte{}, peerClientHello[:11+1]...)
-	c.ticket = append(i.hash11[:], pfsAEAD.Seal(nil, pfsNonce, []byte("VLESS"), pfsEKeyBytes)...)
-	IncreaseNonce(pfsNonce)
-
-	serverHello := make([]byte, 5+1088+21+crypto.RandBetween(100, 1000))
-	EncodeHeader(serverHello, 1, 1088+21)
-	copy(serverHello[5:], encapsulatedPfsKey)
-	copy(serverHello[5+1088:], c.ticket[11:])
-	padding := serverHello[5+1088+21:]
-	rand.Read(padding) // important
-	EncodeHeader(padding, 23, len(padding)-5)
-	pfsAEAD.Seal(padding[:5], pfsNonce, padding[5:len(padding)-16], padding[:5])
-
-	if _, err := c.Conn.Write(serverHello); err != nil {
-		return nil, err
-	}
-	// server can send more PFS AEAD paddings / messages if needed
-
-	_, t, l, err = ReadAndDiscardPaddings(c.Conn, nfsAEAD, nfsNonce) // allow paddings before ticket hello
-	if err != nil {
-		return nil, err
-	}
-	if t != 0 {
-		return nil, errors.New("unexpected type ", t, ", expect ticket hello")
-	}
-	peerTicketHello := make([]byte, 32+32)
-	if l != len(peerTicketHello) {
-		return nil, errors.New("unexpected length ", l, " for ticket hello")
-	}
-	if _, err := io.ReadFull(c.Conn, peerTicketHello); err != nil {
-		return nil, err
-	}
-	if !bytes.Equal(peerTicketHello[:32], c.ticket) {
-		return nil, errors.New("naughty boy")
-	}
-	c.peerRandom = peerTicketHello[32:]
-
-	if i.minutes > 0 {
-		i.Lock()
-		s := &ServerSession{
-			expire:  time.Now().Add(i.minutes),
-			cipher:  c.cipher,
-			baseKey: c.baseKey,
-		}
-		s.randoms.Store([32]byte(c.peerRandom), true)
-		i.sessions[[32]byte(c.ticket)] = s
-		i.Unlock()
-	}
-
-	return c, nil
-}
-
-func (c *ServerConn) Read(b []byte) (int, error) {
-	if len(b) == 0 {
-		return 0, nil
-	}
-	if c.peerAEAD == nil {
-		c.peerAEAD = NewAEAD(c.cipher, c.baseKey, c.peerRandom, c.ticket)
-		c.peerNonce = make([]byte, 12)
-	}
-	if len(c.PeerCache) != 0 {
-		n := copy(b, c.PeerCache)
-		c.PeerCache = c.PeerCache[n:]
-		return n, nil
-	}
-	h, t, l, err := ReadAndDecodeHeader(c.Conn) // l: 17~17000
-	if err != nil {
-		return 0, err
-	}
-	if t != 23 {
-		return 0, errors.New("unexpected type ", t, ", expect encrypted data")
-	}
-	peerData := make([]byte, l)
-	if _, err := io.ReadFull(c.Conn, peerData); err != nil {
-		return 0, err
-	}
-	dst := peerData[:l-16]
-	if len(dst) <= len(b) {
-		dst = b[:len(dst)] // avoids another copy()
-	}
-	var peerAEAD cipher.AEAD
-	if bytes.Equal(c.peerNonce, MaxNonce) {
-		peerAEAD = NewAEAD(c.cipher, c.baseKey, peerData, h)
-	}
-	_, err = c.peerAEAD.Open(dst[:0], c.peerNonce, peerData, h)
-	if peerAEAD != nil {
-		c.peerAEAD = peerAEAD
-	}
-	IncreaseNonce(c.peerNonce)
-	if err != nil {
-		return 0, err
-	}
-	if len(dst) > len(b) {
-		c.PeerCache = dst[copy(b, dst):]
-		dst = b // for len(dst)
-	}
-	return len(dst), nil
-}
-
-func (c *ServerConn) Write(b []byte) (int, error) {
-	if len(b) == 0 {
-		return 0, nil
-	}
-	var data []byte
-	for n := 0; n < len(b); {
-		b := b[n:]
-		if len(b) > 8192 {
-			b = b[:8192] // for avoiding another copy() in client's Read()
-		}
-		n += len(b)
-		if c.aead == nil {
-			data = make([]byte, 5+32+5+len(b)+16)
-			EncodeHeader(data, 0, 32)
-			rand.Read(data[5 : 5+32])
-			EncodeHeader(data[5+32:], 23, len(b)+16)
-			c.aead = NewAEAD(c.cipher, c.baseKey, data[5:5+32], c.peerRandom)
-			c.nonce = make([]byte, 12)
-			c.aead.Seal(data[:5+32+5], c.nonce, b, data[5+32:5+32+5])
-		} else {
-			data = make([]byte, 5+len(b)+16)
-			EncodeHeader(data, 23, len(b)+16)
-			c.aead.Seal(data[:5], c.nonce, b, data[:5])
-			if bytes.Equal(c.nonce, MaxNonce) {
-				c.aead = NewAEAD(c.cipher, c.baseKey, data[5:], data[:5])
-			}
-		}
-		IncreaseNonce(c.nonce)
-		if _, err := c.Conn.Write(data); err != nil {
-			return 0, err
-		}
-	}
-	return len(b), nil
-}

proxy/vless/encryption/xor.go

@@ -1,200 +0,0 @@
-package encryption
-
-import (
-	"crypto/aes"
-	"crypto/cipher"
-	"crypto/ecdh"
-	"crypto/hkdf"
-	"crypto/rand"
-	"crypto/sha3"
-	"io"
-	"net"
-
-	"github.com/xtls/xray-core/common/errors"
-)
-
-type XorConn struct {
-	net.Conn
-	Divide bool
-
-	head     []byte
-	key      []byte
-	ctr      cipher.Stream
-	peerCtr  cipher.Stream
-	isHeader bool
-	skipNext bool
-
-	out_after0 bool
-	out_header []byte
-	out_skip   int
-
-	in_after0 bool
-	in_header []byte
-	in_skip   int
-}
-
-func NewCTR(key, iv []byte, isServer bool) cipher.Stream {
-	info := "CLIENT"
-	if isServer {
-		info = "SERVER" // avoids attackers sending traffic back to the client, though the encryption layer has its own protection
-	}
-	key, _ = hkdf.Key(sha3.New256, key, iv, info, 32) // avoids using pKey directly if attackers sent the basepoint, or whaterver they like
-	block, _ := aes.NewCipher(key)
-	return cipher.NewCTR(block, iv)
-}
-
-func NewXorConn(conn net.Conn, mode uint32, pKey *ecdh.PublicKey, sKey *ecdh.PrivateKey) (*XorConn, error) {
-	if mode == 0 || (pKey == nil && sKey == nil) || (pKey != nil && sKey != nil) {
-		return nil, errors.New("invalid parameters")
-	}
-	c := &XorConn{
-		Conn:       conn,
-		Divide:     mode == 1,
-		isHeader:   true,
-		out_header: make([]byte, 0, 5), // important
-		in_header:  make([]byte, 0, 5), // important
-	}
-	if pKey != nil {
-		c.head = make([]byte, 16+32)
-		rand.Read(c.head)
-		eSKey, _ := ecdh.X25519().NewPrivateKey(c.head[16:])
-		NewCTR(pKey.Bytes(), c.head[:16], false).XORKeyStream(c.head[16:], eSKey.PublicKey().Bytes()) // make X25519 public key distinguishable from random bytes
-		c.key, _ = eSKey.ECDH(pKey)
-		c.ctr = NewCTR(c.key, c.head[:16], false)
-	}
-	if sKey != nil {
-		peerHead := make([]byte, 16+32)
-		if _, err := io.ReadFull(c.Conn, peerHead); err != nil {
-			return nil, err
-		}
-		NewCTR(sKey.PublicKey().Bytes(), peerHead[:16], false).XORKeyStream(peerHead[16:], peerHead[16:]) // we don't use buggy elligator, because we have PSK :)
-		ePKey, err := ecdh.X25519().NewPublicKey(peerHead[16:])
-		if err != nil {
-			return nil, err
-		}
-		key, err := sKey.ECDH(ePKey)
-		if err != nil {
-			return nil, err
-		}
-		c.peerCtr = NewCTR(key, peerHead[:16], false)
-		c.head = make([]byte, 16)
-		rand.Read(c.head)                 // make sure the server always replies random bytes even when received replays, though it is not important
-		c.ctr = NewCTR(key, c.head, true) // the same key links the upload & download, though the encryption layer has its own link
-	}
-	return c, nil
-	//chacha20.NewUnauthenticatedCipher()
-}
-
-func (c *XorConn) Write(b []byte) (int, error) { // whole one/two records
-	if len(b) == 0 {
-		return 0, nil
-	}
-	if !c.out_after0 {
-		t, l, _ := DecodeHeader(b)
-		if t == 23 { // single 23
-			l = 5
-		} else { // 1/0 + 23, or noises only
-			l += 10
-			if t == 0 {
-				c.out_after0 = true
-				if c.Divide {
-					l -= 5
-				}
-			}
-		}
-		c.ctr.XORKeyStream(b[:l], b[:l]) // caller MUST discard b
-		l = len(b)
-		if c.head != nil {
-			b = append(c.head, b...)
-			c.head = nil
-		}
-		if _, err := c.Conn.Write(b); err != nil {
-			return 0, err
-		}
-		return l, nil
-	}
-	if c.Divide {
-		return c.Conn.Write(b)
-	}
-	for p := b; ; { // for XTLS
-		if len(p) <= c.out_skip {
-			c.out_skip -= len(p)
-			break
-		}
-		p = p[c.out_skip:]
-		c.out_skip = 0
-		need := 5 - len(c.out_header)
-		if len(p) < need {
-			c.out_header = append(c.out_header, p...)
-			c.ctr.XORKeyStream(p, p)
-			break
-		}
-		_, c.out_skip, _ = DecodeHeader(append(c.out_header, p[:need]...))
-		c.out_header = c.out_header[:0]
-		c.ctr.XORKeyStream(p[:need], p[:need])
-		p = p[need:]
-	}
-	if _, err := c.Conn.Write(b); err != nil {
-		return 0, err
-	}
-	return len(b), nil
-}
-
-func (c *XorConn) Read(b []byte) (int, error) { // 5-bytes, data, 5-bytes...
-	if len(b) == 0 {
-		return 0, nil
-	}
-	if !c.in_after0 || !c.isHeader {
-		if c.peerCtr == nil { // for client
-			peerIv := make([]byte, 16)
-			if _, err := io.ReadFull(c.Conn, peerIv); err != nil {
-				return 0, err
-			}
-			c.peerCtr = NewCTR(c.key, peerIv, true)
-		}
-		if _, err := io.ReadFull(c.Conn, b); err != nil {
-			return 0, err
-		}
-		if c.skipNext {
-			c.skipNext = false
-			return len(b), nil
-		}
-		c.peerCtr.XORKeyStream(b, b)
-		if c.isHeader { // always 5-bytes
-			if t, _, _ := DecodeHeader(b); t == 23 {
-				c.skipNext = true
-			} else {
-				c.isHeader = false
-				if t == 0 {
-					c.in_after0 = true
-				}
-			}
-		} else {
-			c.isHeader = true
-		}
-		return len(b), nil
-	}
-	if c.Divide {
-		return c.Conn.Read(b)
-	}
-	n, err := c.Conn.Read(b)
-	for p := b[:n]; ; { // for XTLS
-		if len(p) <= c.in_skip {
-			c.in_skip -= len(p)
-			break
-		}
-		p = p[c.in_skip:]
-		c.in_skip = 0
-		need := 5 - len(c.in_header)
-		if len(p) < need {
-			c.peerCtr.XORKeyStream(p, p)
-			c.in_header = append(c.in_header, p...)
-			break
-		}
-		c.peerCtr.XORKeyStream(p[:need], p[:need])
-		_, c.in_skip, _ = DecodeHeader(append(c.in_header, p[:need]...))
-		c.in_header = c.in_header[:0]
-		p = p[need:]
-	}
-	return n, err
-}

proxy/vless/inbound/config.pb.go

@@ -111,11 +111,11 @@ type Config struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Clients    []*protocol.User `protobuf:"bytes,1,rep,name=clients,proto3" json:"clients,omitempty"`
+	Clients []*protocol.User `protobuf:"bytes,1,rep,name=clients,proto3" json:"clients,omitempty"`
-	Fallbacks  []*Fallback      `protobuf:"bytes,2,rep,name=fallbacks,proto3" json:"fallbacks,omitempty"`
+	// Decryption settings. Only applies to server side, and only accepts "none"
-	Decryption string           `protobuf:"bytes,3,opt,name=decryption,proto3" json:"decryption,omitempty"`
+	// for now.
-	XorMode    uint32           `protobuf:"varint,4,opt,name=xorMode,proto3" json:"xorMode,omitempty"`
+	Decryption string      `protobuf:"bytes,2,opt,name=decryption,proto3" json:"decryption,omitempty"`
-	Minutes    uint32           `protobuf:"varint,5,opt,name=minutes,proto3" json:"minutes,omitempty"`
+	Fallbacks  []*Fallback `protobuf:"bytes,3,rep,name=fallbacks,proto3" json:"fallbacks,omitempty"`
 }
 
 func (x *Config) Reset() {
@@ -155,13 +155,6 @@ func (x *Config) GetClients() []*protocol.User {
 	return nil
 }
 
-func (x *Config) GetFallbacks() []*Fallback {
-	if x != nil {
-		return x.Fallbacks
-	}
-	return nil
-}
-
 func (x *Config) GetDecryption() string {
 	if x != nil {
 		return x.Decryption
@@ -169,18 +162,11 @@ func (x *Config) GetDecryption() string {
 	return ""
 }
 
-func (x *Config) GetXorMode() uint32 {
+func (x *Config) GetFallbacks() []*Fallback {
 	if x != nil {
-		return x.XorMode
+		return x.Fallbacks
 	}
-	return 0
+	return nil
-}
-
-func (x *Config) GetMinutes() uint32 {
-	if x != nil {
-		return x.Minutes
-	}
-	return 0
 }
 
 var File_proxy_vless_inbound_config_proto protoreflect.FileDescriptor
@@ -199,28 +185,25 @@ var file_proxy_vless_inbound_config_proto_rawDesc = []byte{
 	0x68, 0x12, 0x12, 0x0a, 0x04, 0x74, 0x79, 0x70, 0x65, 0x18, 0x04, 0x20, 0x01, 0x28, 0x09, 0x52,
 	0x04, 0x74, 0x79, 0x70, 0x65, 0x12, 0x12, 0x0a, 0x04, 0x64, 0x65, 0x73, 0x74, 0x18, 0x05, 0x20,
 	0x01, 0x28, 0x09, 0x52, 0x04, 0x64, 0x65, 0x73, 0x74, 0x12, 0x12, 0x0a, 0x04, 0x78, 0x76, 0x65,
-	0x72, 0x18, 0x06, 0x20, 0x01, 0x28, 0x04, 0x52, 0x04, 0x78, 0x76, 0x65, 0x72, 0x22, 0xd4, 0x01,
+	0x72, 0x18, 0x06, 0x20, 0x01, 0x28, 0x04, 0x52, 0x04, 0x78, 0x76, 0x65, 0x72, 0x22, 0xa0, 0x01,
 	0x0a, 0x06, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x34, 0x0a, 0x07, 0x63, 0x6c, 0x69, 0x65,
 	0x6e, 0x74, 0x73, 0x18, 0x01, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x1a, 0x2e, 0x78, 0x72, 0x61, 0x79,
 	0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f, 0x6c,
-	0x2e, 0x55, 0x73, 0x65, 0x72, 0x52, 0x07, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x73, 0x12, 0x40,
+	0x2e, 0x55, 0x73, 0x65, 0x72, 0x52, 0x07, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x73, 0x12, 0x1e,
-	0x0a, 0x09, 0x66, 0x61, 0x6c, 0x6c, 0x62, 0x61, 0x63, 0x6b, 0x73, 0x18, 0x02, 0x20, 0x03, 0x28,
+	0x0a, 0x0a, 0x64, 0x65, 0x63, 0x72, 0x79, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x18, 0x02, 0x20, 0x01,
+	0x28, 0x09, 0x52, 0x0a, 0x64, 0x65, 0x63, 0x72, 0x79, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x12, 0x40,
+	0x0a, 0x09, 0x66, 0x61, 0x6c, 0x6c, 0x62, 0x61, 0x63, 0x6b, 0x73, 0x18, 0x03, 0x20, 0x03, 0x28,
 	0x0b, 0x32, 0x22, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x76,
 	0x6c, 0x65, 0x73, 0x73, 0x2e, 0x69, 0x6e, 0x62, 0x6f, 0x75, 0x6e, 0x64, 0x2e, 0x46, 0x61, 0x6c,
 	0x6c, 0x62, 0x61, 0x63, 0x6b, 0x52, 0x09, 0x66, 0x61, 0x6c, 0x6c, 0x62, 0x61, 0x63, 0x6b, 0x73,
-	0x12, 0x1e, 0x0a, 0x0a, 0x64, 0x65, 0x63, 0x72, 0x79, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x18, 0x03,
+	0x42, 0x6a, 0x0a, 0x1c, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x70, 0x72, 0x6f,
-	0x20, 0x01, 0x28, 0x09, 0x52, 0x0a, 0x64, 0x65, 0x63, 0x72, 0x79, 0x70, 0x74, 0x69, 0x6f, 0x6e,
+	0x78, 0x79, 0x2e, 0x76, 0x6c, 0x65, 0x73, 0x73, 0x2e, 0x69, 0x6e, 0x62, 0x6f, 0x75, 0x6e, 0x64,
-	0x12, 0x18, 0x0a, 0x07, 0x78, 0x6f, 0x72, 0x4d, 0x6f, 0x64, 0x65, 0x18, 0x04, 0x20, 0x01, 0x28,
+	0x50, 0x01, 0x5a, 0x2d, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78,
-	0x0d, 0x52, 0x07, 0x78, 0x6f, 0x72, 0x4d, 0x6f, 0x64, 0x65, 0x12, 0x18, 0x0a, 0x07, 0x6d, 0x69,
+	0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x70, 0x72,
-	0x6e, 0x75, 0x74, 0x65, 0x73, 0x18, 0x05, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x07, 0x6d, 0x69, 0x6e,
+	0x6f, 0x78, 0x79, 0x2f, 0x76, 0x6c, 0x65, 0x73, 0x73, 0x2f, 0x69, 0x6e, 0x62, 0x6f, 0x75, 0x6e,
-	0x75, 0x74, 0x65, 0x73, 0x42, 0x6a, 0x0a, 0x1c, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79,
+	0x64, 0xaa, 0x02, 0x18, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x56,
-	0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x76, 0x6c, 0x65, 0x73, 0x73, 0x2e, 0x69, 0x6e, 0x62,
+	0x6c, 0x65, 0x73, 0x73, 0x2e, 0x49, 0x6e, 0x62, 0x6f, 0x75, 0x6e, 0x64, 0x62, 0x06, 0x70, 0x72,
-	0x6f, 0x75, 0x6e, 0x64, 0x50, 0x01, 0x5a, 0x2d, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63,
+	0x6f, 0x74, 0x6f, 0x33,
-	0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72,
-	0x65, 0x2f, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2f, 0x76, 0x6c, 0x65, 0x73, 0x73, 0x2f, 0x69, 0x6e,
-	0x62, 0x6f, 0x75, 0x6e, 0x64, 0xaa, 0x02, 0x18, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x50, 0x72, 0x6f,
-	0x78, 0x79, 0x2e, 0x56, 0x6c, 0x65, 0x73, 0x73, 0x2e, 0x49, 0x6e, 0x62, 0x6f, 0x75, 0x6e, 0x64,
-	0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (

proxy/vless/inbound/config.proto

@@ -19,9 +19,8 @@ message Fallback {
 
 message Config {
   repeated xray.common.protocol.User clients = 1;
-  repeated Fallback fallbacks = 2;
+  // Decryption settings. Only applies to server side, and only accepts "none"
-
+  // for now.
-  string decryption = 3;
+  string decryption = 2;
-  uint32 xorMode = 4;
+  repeated Fallback fallbacks = 3;
-  uint32 minutes = 5;
 }

proxy/vless/inbound/inbound.go

@@ -4,7 +4,6 @@ import (
 	"bytes"
 	"context"
 	gotls "crypto/tls"
-	"encoding/base64"
 	"io"
 	"reflect"
 	"strconv"
@@ -30,7 +29,6 @@ import (
 	"github.com/xtls/xray-core/proxy"
 	"github.com/xtls/xray-core/proxy/vless"
 	"github.com/xtls/xray-core/proxy/vless/encoding"
-	"github.com/xtls/xray-core/proxy/vless/encryption"
 	"github.com/xtls/xray-core/transport/internet/reality"
 	"github.com/xtls/xray-core/transport/internet/stat"
 	"github.com/xtls/xray-core/transport/internet/tls"
@@ -69,7 +67,6 @@ type Handler struct {
 	policyManager         policy.Manager
 	validator             vless.Validator
 	dns                   dns.Client
-	decryption            *encryption.ServerInstance
 	fallbacks             map[string]map[string]map[string]*Fallback // or nil
 	// regexps               map[string]*regexp.Regexp       // or nil
 }
@@ -84,15 +81,6 @@ func New(ctx context.Context, config *Config, dc dns.Client, validator vless.Val
 		validator:             validator,
 	}
 
-	if s := strings.Split(config.Decryption, "."); len(s) == 2 {
-		nfsDKeySeed, _ := base64.RawURLEncoding.DecodeString(s[0])
-		xorSKeyBytes, _ := base64.RawURLEncoding.DecodeString(s[1])
-		handler.decryption = &encryption.ServerInstance{}
-		if err := handler.decryption.Init(nfsDKeySeed, xorSKeyBytes, config.XorMode, config.Minutes); err != nil {
-			return nil, errors.New("failed to use mlkem768seed").Base(err).AtError()
-		}
-	}
-
 	if config.Fallbacks != nil {
 		handler.fallbacks = make(map[string]map[string]map[string]*Fallback)
 		// handler.regexps = make(map[string]*regexp.Regexp)
@@ -171,9 +159,6 @@ func isMuxAndNotXUDP(request *protocol.RequestHeader, first *buf.Buffer) bool {
 
 // Close implements common.Closable.Close().
 func (h *Handler) Close() error {
-	if h.decryption != nil {
-		h.decryption.Close()
-	}
 	return errors.Combine(common.Close(h.validator))
 }
 
@@ -214,14 +199,6 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
 		iConn = statConn.Connection
 	}
 
-	if h.decryption != nil {
-		var err error
-		connection, err = h.decryption.Handshake(connection)
-		if err != nil {
-			return errors.New("ML-KEM-768 handshake failed").Base(err).AtInfo()
-		}
-	}
-
 	sessionPolicy := h.policyManager.ForLevel(0)
 	if err := connection.SetReadDeadline(time.Now().Add(sessionPolicy.Timeouts.Handshake)); err != nil {
 		return errors.New("unable to set read deadline").Base(err).AtWarning()
@@ -240,6 +217,7 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
 		Buffer: buf.MultiBuffer{first},
 	}
 
+	var userSentID []byte // not MemoryAccount.ID
 	var request *protocol.RequestHeader
 	var requestAddons *encoding.Addons
 	var err error
@@ -250,7 +228,7 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
 	if isfb && firstLen < 18 {
 		err = errors.New("fallback directly")
 	} else {
-		request, requestAddons, isfb, err = encoding.DecodeRequestHeader(isfb, first, reader, h.validator)
+		userSentID, request, requestAddons, isfb, err = encoding.DecodeRequestHeader(isfb, first, reader, h.validator)
 	}
 
 	if err != nil {
@@ -478,6 +456,7 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
 	}
 	inbound.Name = "vless"
 	inbound.User = request.User
+	inbound.VlessRoute = net.PortFromBytes(userSentID[6:8])
 
 	account := request.User.Account.(*vless.MemoryAccount)
 
@@ -485,7 +464,6 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
 		// Flow: requestAddons.Flow,
 	}
 
-	var peerCache *[]byte
 	var input *bytes.Reader
 	var rawInput *bytes.Buffer
 	switch requestAddons.Flow {
@@ -498,13 +476,6 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
 			case protocol.RequestCommandMux:
 				fallthrough // we will break Mux connections that contain TCP requests
 			case protocol.RequestCommandTCP:
-				if serverConn, ok := connection.(*encryption.ServerConn); ok {
-					peerCache = &serverConn.PeerCache
-					if xorConn, ok := serverConn.Conn.(*encryption.XorConn); (ok && !xorConn.Divide) || !proxy.IsRAWTransport(iConn) {
-						inbound.CanSpliceCopy = 3 // full-random xorConn / non-RAW transport can not use Linux Splice
-					}
-					break
-				}
 				var t reflect.Type
 				var p uintptr
 				if tlsConn, ok := iConn.(*tls.Conn); ok {
@@ -561,7 +532,7 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
 
 	serverReader := link.Reader // .(*pipe.Reader)
 	serverWriter := link.Writer // .(*pipe.Writer)
-	trafficState := proxy.NewTrafficState(account.ID.Bytes())
+	trafficState := proxy.NewTrafficState(userSentID)
 	postRequest := func() error {
 		defer timer.SetTimeout(sessionPolicy.Timeouts.DownlinkOnly)
 
@@ -573,7 +544,7 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
 		if requestAddons.Flow == vless.XRV {
 			ctx1 := session.ContextWithInbound(ctx, nil) // TODO enable splice
 			clientReader = proxy.NewVisionReader(clientReader, trafficState, true, ctx1)
-			err = encoding.XtlsRead(clientReader, serverWriter, timer, connection, peerCache, input, rawInput, trafficState, nil, true, ctx1)
+			err = encoding.XtlsRead(clientReader, serverWriter, timer, connection, input, rawInput, trafficState, nil, true, ctx1)
 		} else {
 			// from clientReader.ReadMultiBuffer to serverWriter.WriteMultiBuffer
 			err = buf.Copy(clientReader, serverWriter, buf.UpdateActivity(timer))

proxy/vless/outbound/outbound.go

@@ -4,9 +4,7 @@ import (
 	"bytes"
 	"context"
 	gotls "crypto/tls"
-	"encoding/base64"
 	"reflect"
-	"strings"
 	"time"
 	"unsafe"
 
@@ -26,7 +24,6 @@ import (
 	"github.com/xtls/xray-core/proxy"
 	"github.com/xtls/xray-core/proxy/vless"
 	"github.com/xtls/xray-core/proxy/vless/encoding"
-	"github.com/xtls/xray-core/proxy/vless/encryption"
 	"github.com/xtls/xray-core/transport"
 	"github.com/xtls/xray-core/transport/internet"
 	"github.com/xtls/xray-core/transport/internet/reality"
@@ -46,7 +43,6 @@ type Handler struct {
 	serverPicker  protocol.ServerPicker
 	policyManager policy.Manager
 	cone          bool
-	encryption    *encryption.ClientInstance
 }
 
 // New creates a new VLess outbound handler.
@@ -68,16 +64,6 @@ func New(ctx context.Context, config *Config) (*Handler, error) {
 		cone:          ctx.Value("cone").(bool),
 	}
 
-	a := handler.serverPicker.PickServer().PickUser().Account.(*vless.MemoryAccount)
-	if s := strings.Split(a.Encryption, "."); len(s) == 2 {
-		nfsEKeyBytes, _ := base64.RawURLEncoding.DecodeString(s[0])
-		xorPKeyBytes, _ := base64.RawURLEncoding.DecodeString(s[1])
-		handler.encryption = &encryption.ClientInstance{}
-		if err := handler.encryption.Init(nfsEKeyBytes, xorPKeyBytes, a.XorMode, a.Minutes); err != nil {
-			return nil, errors.New("failed to use mlkem768client").Base(err).AtError()
-		}
-	}
-
 	return handler, nil
 }
 
@@ -112,14 +98,6 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
 	target := ob.Target
 	errors.LogInfo(ctx, "tunneling request to ", target, " via ", rec.Destination().NetAddr())
 
-	if h.encryption != nil {
-		var err error
-		conn, err = h.encryption.Handshake(conn)
-		if err != nil {
-			return errors.New("ML-KEM-768 handshake failed").Base(err).AtInfo()
-		}
-	}
-
 	command := protocol.RequestCommandTCP
 	if target.Network == net.Network_UDP {
 		command = protocol.RequestCommandUDP
@@ -142,7 +120,6 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
 		Flow: account.Flow,
 	}
 
-	var peerCache *[]byte
 	var input *bytes.Reader
 	var rawInput *bytes.Buffer
 	allowUDP443 := false
@@ -161,13 +138,6 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
 		case protocol.RequestCommandMux:
 			fallthrough // let server break Mux connections that contain TCP requests
 		case protocol.RequestCommandTCP:
-			if clientConn, ok := conn.(*encryption.ClientConn); ok {
-				peerCache = &clientConn.PeerCache
-				if xorConn, ok := clientConn.Conn.(*encryption.XorConn); (ok && !xorConn.Divide) || !proxy.IsRAWTransport(iConn) {
-					ob.CanSpliceCopy = 3 // full-random xorConn / non-RAW transport can not use Linux Splice
-				}
-				break
-			}
 			var t reflect.Type
 			var p uintptr
 			if tlsConn, ok := iConn.(*tls.Conn); ok {
@@ -302,7 +272,7 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
 		}
 
 		if requestAddons.Flow == vless.XRV {
-			err = encoding.XtlsRead(serverReader, clientWriter, timer, conn, peerCache, input, rawInput, trafficState, ob, false, ctx)
+			err = encoding.XtlsRead(serverReader, clientWriter, timer, conn, input, rawInput, trafficState, ob, false, ctx)
 		} else {
 			// from serverReader.ReadMultiBuffer to clientWriter.WriteMultiBuffer
 			err = buf.Copy(serverReader, clientWriter, buf.UpdateActivity(timer))

proxy/vless/validator.go

@@ -18,6 +18,12 @@ type Validator interface {
 	GetCount() int64
 }
 
+func ProcessUUID(id [16]byte) [16]byte {
+	id[6] = 0
+	id[7] = 0
+	return id
+}
+
 // MemoryValidator stores valid VLESS users.
 type MemoryValidator struct {
 	// Considering email's usage here, map + sync.Mutex/RWMutex may have better performance.
@@ -33,7 +39,7 @@ func (v *MemoryValidator) Add(u *protocol.MemoryUser) error {
 			return errors.New("User ", u.Email, " already exists.")
 		}
 	}
-	v.users.Store(u.Account.(*MemoryAccount).ID.UUID(), u)
+	v.users.Store(ProcessUUID(u.Account.(*MemoryAccount).ID.UUID()), u)
 	return nil
 }
 
@@ -48,13 +54,13 @@ func (v *MemoryValidator) Del(e string) error {
 		return errors.New("User ", e, " not found.")
 	}
 	v.email.Delete(le)
-	v.users.Delete(u.(*protocol.MemoryUser).Account.(*MemoryAccount).ID.UUID())
+	v.users.Delete(ProcessUUID(u.(*protocol.MemoryUser).Account.(*MemoryAccount).ID.UUID()))
 	return nil
 }
 
 // Get a VLESS user with UUID, nil if user doesn't exist.
 func (v *MemoryValidator) Get(id uuid.UUID) *protocol.MemoryUser {
-	u, _ := v.users.Load(id)
+	u, _ := v.users.Load(ProcessUUID(id))
 	if u != nil {
 		return u.(*protocol.MemoryUser)
 	}

proxy/vless/vless.go

@@ -6,5 +6,6 @@
 package vless
 
 const (
-	XRV = "xtls-rprx-vision"
+	None = "none"
+	XRV  = "xtls-rprx-vision"
 )

proxy/vmess/aead/encrypt.go

@@ -2,14 +2,13 @@ package aead
 
 import (
 	"bytes"
-	"crypto/aes"
-	"crypto/cipher"
 	"crypto/rand"
 	"encoding/binary"
 	"io"
 	"time"
 
 	"github.com/xtls/xray-core/common"
+	"github.com/xtls/xray-core/common/crypto"
 )
 
 func SealVMessAEADHeader(key [16]byte, data []byte) []byte {
@@ -34,15 +33,7 @@ func SealVMessAEADHeader(key [16]byte, data []byte) []byte {
 
 		payloadHeaderLengthAEADNonce := KDF(key[:], KDFSaltConstVMessHeaderPayloadLengthAEADIV, string(generatedAuthID[:]), string(connectionNonce))[:12]
 
-		payloadHeaderLengthAEADAESBlock, err := aes.NewCipher(payloadHeaderLengthAEADKey)
+		payloadHeaderAEAD := crypto.NewAesGcm(payloadHeaderLengthAEADKey)
-		if err != nil {
-			panic(err.Error())
-		}
-
-		payloadHeaderAEAD, err := cipher.NewGCM(payloadHeaderLengthAEADAESBlock)
-		if err != nil {
-			panic(err.Error())
-		}
 
 		payloadHeaderLengthAEADEncrypted = payloadHeaderAEAD.Seal(nil, payloadHeaderLengthAEADNonce, aeadPayloadLengthSerializedByte, generatedAuthID[:])
 	}
@@ -54,15 +45,7 @@ func SealVMessAEADHeader(key [16]byte, data []byte) []byte {
 
 		payloadHeaderAEADNonce := KDF(key[:], KDFSaltConstVMessHeaderPayloadAEADIV, string(generatedAuthID[:]), string(connectionNonce))[:12]
 
-		payloadHeaderAEADAESBlock, err := aes.NewCipher(payloadHeaderAEADKey)
+		payloadHeaderAEAD := crypto.NewAesGcm(payloadHeaderAEADKey)
-		if err != nil {
-			panic(err.Error())
-		}
-
-		payloadHeaderAEAD, err := cipher.NewGCM(payloadHeaderAEADAESBlock)
-		if err != nil {
-			panic(err.Error())
-		}
 
 		payloadHeaderAEADEncrypted = payloadHeaderAEAD.Seal(nil, payloadHeaderAEADNonce, data, generatedAuthID[:])
 	}
@@ -104,15 +87,7 @@ func OpenVMessAEADHeader(key [16]byte, authid [16]byte, data io.Reader) ([]byte,
 
 		payloadHeaderLengthAEADNonce := KDF(key[:], KDFSaltConstVMessHeaderPayloadLengthAEADIV, string(authid[:]), string(nonce[:]))[:12]
 
-		payloadHeaderAEADAESBlock, err := aes.NewCipher(payloadHeaderLengthAEADKey)
+		payloadHeaderLengthAEAD := crypto.NewAesGcm(payloadHeaderLengthAEADKey)
-		if err != nil {
-			panic(err.Error())
-		}
-
-		payloadHeaderLengthAEAD, err := cipher.NewGCM(payloadHeaderAEADAESBlock)
-		if err != nil {
-			panic(err.Error())
-		}
 
 		decryptedAEADHeaderLengthPayload, erropenAEAD := payloadHeaderLengthAEAD.Open(nil, payloadHeaderLengthAEADNonce, payloadHeaderLengthAEADEncrypted[:], authid[:])
 
@@ -145,15 +120,7 @@ func OpenVMessAEADHeader(key [16]byte, authid [16]byte, data io.Reader) ([]byte,
 			return nil, false, bytesRead, err
 		}
 
-		payloadHeaderAEADAESBlock, err := aes.NewCipher(payloadHeaderAEADKey)
+		payloadHeaderAEAD := crypto.NewAesGcm(payloadHeaderAEADKey)
-		if err != nil {
-			panic(err.Error())
-		}
-
-		payloadHeaderAEAD, err := cipher.NewGCM(payloadHeaderAEADAESBlock)
-		if err != nil {
-			panic(err.Error())
-		}
 
 		decryptedAEADHeaderPayload, erropenAEAD := payloadHeaderAEAD.Open(nil, payloadHeaderAEADNonce, payloadHeaderAEADEncrypted, authid[:])
 

proxy/vmess/encoding/client.go

@@ -3,8 +3,6 @@ package encoding
 import (
 	"bytes"
 	"context"
-	"crypto/aes"
-	"crypto/cipher"
 	"crypto/rand"
 	"crypto/sha256"
 	"encoding/binary"
@@ -182,8 +180,7 @@ func (c *ClientSession) DecodeResponseHeader(reader io.Reader) (*protocol.Respon
 	aeadResponseHeaderLengthEncryptionKey := vmessaead.KDF16(c.responseBodyKey[:], vmessaead.KDFSaltConstAEADRespHeaderLenKey)
 	aeadResponseHeaderLengthEncryptionIV := vmessaead.KDF(c.responseBodyIV[:], vmessaead.KDFSaltConstAEADRespHeaderLenIV)[:12]
 
-	aeadResponseHeaderLengthEncryptionKeyAESBlock := common.Must2(aes.NewCipher(aeadResponseHeaderLengthEncryptionKey)).(cipher.Block)
+	aeadResponseHeaderLengthEncryptionAEAD := crypto.NewAesGcm(aeadResponseHeaderLengthEncryptionKey)
-	aeadResponseHeaderLengthEncryptionAEAD := common.Must2(cipher.NewGCM(aeadResponseHeaderLengthEncryptionKeyAESBlock)).(cipher.AEAD)
 
 	var aeadEncryptedResponseHeaderLength [18]byte
 	var decryptedResponseHeaderLength int
@@ -205,8 +202,7 @@ func (c *ClientSession) DecodeResponseHeader(reader io.Reader) (*protocol.Respon
 	aeadResponseHeaderPayloadEncryptionKey := vmessaead.KDF16(c.responseBodyKey[:], vmessaead.KDFSaltConstAEADRespHeaderPayloadKey)
 	aeadResponseHeaderPayloadEncryptionIV := vmessaead.KDF(c.responseBodyIV[:], vmessaead.KDFSaltConstAEADRespHeaderPayloadIV)[:12]
 
-	aeadResponseHeaderPayloadEncryptionKeyAESBlock := common.Must2(aes.NewCipher(aeadResponseHeaderPayloadEncryptionKey)).(cipher.Block)
+	aeadResponseHeaderPayloadEncryptionAEAD := crypto.NewAesGcm(aeadResponseHeaderPayloadEncryptionKey)
-	aeadResponseHeaderPayloadEncryptionAEAD := common.Must2(cipher.NewGCM(aeadResponseHeaderPayloadEncryptionKeyAESBlock)).(cipher.AEAD)
 
 	encryptedResponseHeaderBuffer := make([]byte, decryptedResponseHeaderLength+16)
 

proxy/vmess/encoding/server.go

@@ -2,8 +2,6 @@ package encoding
 
 import (
 	"bytes"
-	"crypto/aes"
-	"crypto/cipher"
 	"crypto/sha256"
 	"encoding/binary"
 	"hash/fnv"
@@ -350,8 +348,7 @@ func (s *ServerSession) EncodeResponseHeader(header *protocol.ResponseHeader, wr
 	aeadResponseHeaderLengthEncryptionKey := vmessaead.KDF16(s.responseBodyKey[:], vmessaead.KDFSaltConstAEADRespHeaderLenKey)
 	aeadResponseHeaderLengthEncryptionIV := vmessaead.KDF(s.responseBodyIV[:], vmessaead.KDFSaltConstAEADRespHeaderLenIV)[:12]
 
-	aeadResponseHeaderLengthEncryptionKeyAESBlock := common.Must2(aes.NewCipher(aeadResponseHeaderLengthEncryptionKey)).(cipher.Block)
+	aeadResponseHeaderLengthEncryptionAEAD := crypto.NewAesGcm(aeadResponseHeaderLengthEncryptionKey)
-	aeadResponseHeaderLengthEncryptionAEAD := common.Must2(cipher.NewGCM(aeadResponseHeaderLengthEncryptionKeyAESBlock)).(cipher.AEAD)
 
 	aeadResponseHeaderLengthEncryptionBuffer := bytes.NewBuffer(nil)
 
@@ -365,8 +362,7 @@ func (s *ServerSession) EncodeResponseHeader(header *protocol.ResponseHeader, wr
 	aeadResponseHeaderPayloadEncryptionKey := vmessaead.KDF16(s.responseBodyKey[:], vmessaead.KDFSaltConstAEADRespHeaderPayloadKey)
 	aeadResponseHeaderPayloadEncryptionIV := vmessaead.KDF(s.responseBodyIV[:], vmessaead.KDFSaltConstAEADRespHeaderPayloadIV)[:12]
 
-	aeadResponseHeaderPayloadEncryptionKeyAESBlock := common.Must2(aes.NewCipher(aeadResponseHeaderPayloadEncryptionKey)).(cipher.Block)
+	aeadResponseHeaderPayloadEncryptionAEAD := crypto.NewAesGcm(aeadResponseHeaderPayloadEncryptionKey)
-	aeadResponseHeaderPayloadEncryptionAEAD := common.Must2(cipher.NewGCM(aeadResponseHeaderPayloadEncryptionKeyAESBlock)).(cipher.AEAD)
 
 	aeadEncryptedHeaderPayload := aeadResponseHeaderPayloadEncryptionAEAD.Seal(nil, aeadResponseHeaderPayloadEncryptionIV, aeadEncryptedHeaderBuffer.Bytes(), nil)
 	common.Must2(io.Copy(writer, bytes.NewReader(aeadEncryptedHeaderPayload)))

proxy/wireguard/server.go

@@ -7,6 +7,7 @@ import (
 
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/buf"
+	c "github.com/xtls/xray-core/common/ctx"
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/log"
 	"github.com/xtls/xray-core/common/net"
@@ -33,7 +34,6 @@ type routingInfo struct {
 	ctx         context.Context
 	dispatcher  routing.Dispatcher
 	inboundTag  *session.Inbound
-	outboundTag *session.Outbound
 	contentTag  *session.Content
 }
 
@@ -78,18 +78,11 @@ func (*Server) Network() []net.Network {
 
 // Process implements proxy.Inbound.
 func (s *Server) Process(ctx context.Context, network net.Network, conn stat.Connection, dispatcher routing.Dispatcher) error {
-	inbound := session.InboundFromContext(ctx)
-	inbound.Name = "wireguard"
-	inbound.CanSpliceCopy = 3
-	outbounds := session.OutboundsFromContext(ctx)
-	ob := outbounds[len(outbounds)-1]
-
 	s.info = routingInfo{
-		ctx:         core.ToBackgroundDetachedContext(ctx),
+		ctx:        ctx,
-		dispatcher:  dispatcher,
+		dispatcher: dispatcher,
-		inboundTag:  session.InboundFromContext(ctx),
+		inboundTag: session.InboundFromContext(ctx),
-		outboundTag: ob,
+		contentTag: session.ContentFromContext(ctx),
-		contentTag:  session.ContentFromContext(ctx),
 	}
 
 	ep, err := s.bindServer.ParseEndpoint(conn.RemoteAddr().String())
@@ -134,6 +127,25 @@ func (s *Server) forwardConnection(dest net.Destination, conn net.Conn) {
 	defer conn.Close()
 
 	ctx, cancel := context.WithCancel(core.ToBackgroundDetachedContext(s.info.ctx))
+	sid := session.NewID()
+	ctx = c.ContextWithID(ctx, sid)
+	inbound := session.Inbound{} // since promiscuousModeHandler mixed-up context, we shallow copy inbound (tag) and content (configs)
+	if s.info.inboundTag != nil {
+		inbound = *s.info.inboundTag
+	}
+	inbound.Name = "wireguard"
+	inbound.CanSpliceCopy = 3
+
+	// overwrite the source to use the tun address for each sub context.
+	// Since gvisor.ForwarderRequest doesn't provide any info to associate the sub-context with the Parent context
+	// Currently we have no way to link to the original source address
+	inbound.Source = net.DestinationFromAddr(conn.RemoteAddr())
+	ctx = session.ContextWithInbound(ctx, &inbound)
+	if s.info.contentTag != nil {
+		ctx = session.ContextWithContent(ctx, s.info.contentTag)
+	}
+	ctx = session.SubContextFromMuxInbound(ctx)
+
 	plcy := s.policyManager.ForLevel(0)
 	timer := signal.CancelAfterInactivity(ctx, cancel, plcy.Timeouts.ConnectionIdle)
 
@@ -144,25 +156,9 @@ func (s *Server) forwardConnection(dest net.Destination, conn net.Conn) {
 		Reason: "",
 	})
 
-	if s.info.inboundTag != nil {
-		ctx = session.ContextWithInbound(ctx, s.info.inboundTag)
-	}
-
-	// what's this?
-	// Session information should not be shared between different connections
-	// why reuse them in server level? This will cause incorrect destoverride and unexpected routing behavior.
-	// Disable it temporarily. Maybe s.info should be removed.
-
-	//	if s.info.outboundTag != nil {
-	//		ctx = session.ContextWithOutbounds(ctx, []*session.Outbound{s.info.outboundTag})
-	//	}
-	//  if s.info.contentTag != nil {
-	//	    ctx = session.ContextWithContent(ctx, s.info.contentTag)
-	//  }
-
 	link, err := s.info.dispatcher.Dispatch(ctx, dest)
 	if err != nil {
-		errors.LogErrorInner(s.info.ctx, err, "dispatch connection")
+		errors.LogErrorInner(ctx, err, "dispatch connection")
 	}
 	defer cancel()
 
@@ -188,7 +184,7 @@ func (s *Server) forwardConnection(dest net.Destination, conn net.Conn) {
 	if err := task.Run(ctx, requestDonePost, responseDone); err != nil {
 		common.Interrupt(link.Reader)
 		common.Interrupt(link.Writer)
-		errors.LogDebugInner(s.info.ctx, err, "connection ends")
+		errors.LogDebugInner(ctx, err, "connection ends")
 		return
 	}
 }

transport/internet/config.go

@@ -100,30 +100,30 @@ func (m SocketConfig_TProxyMode) IsEnabled() bool {
 	return m != SocketConfig_Off
 }
 
-func (s DomainStrategy) hasStrategy() bool {
+func (s DomainStrategy) HasStrategy() bool {
 	return strategy[s][0] != 0
 }
 
-func (s DomainStrategy) forceIP() bool {
+func (s DomainStrategy) ForceIP() bool {
 	return strategy[s][0] == 2
 }
 
-func (s DomainStrategy) preferIP4() bool {
+func (s DomainStrategy) PreferIP4() bool {
 	return strategy[s][1] == 4 || strategy[s][1] == 0
 }
 
-func (s DomainStrategy) preferIP6() bool {
+func (s DomainStrategy) PreferIP6() bool {
 	return strategy[s][1] == 6 || strategy[s][1] == 0
 }
 
-func (s DomainStrategy) hasFallback() bool {
+func (s DomainStrategy) HasFallback() bool {
 	return strategy[s][2] != 0
 }
 
-func (s DomainStrategy) fallbackIP4() bool {
+func (s DomainStrategy) FallbackIP4() bool {
 	return strategy[s][2] == 4
 }
 
-func (s DomainStrategy) fallbackIP6() bool {
+func (s DomainStrategy) FallbackIP6() bool {
 	return strategy[s][2] == 6
 }

transport/internet/dialer.go

@@ -85,20 +85,20 @@ var (
 	obm       outbound.Manager
 )
 
-func lookupIP(domain string, strategy DomainStrategy, localAddr net.Address) ([]net.IP, error) {
+func LookupForIP(domain string, strategy DomainStrategy, localAddr net.Address) ([]net.IP, error) {
 	if dnsClient == nil {
 		return nil, errors.New("DNS client not initialized").AtError()
 	}
 
 	ips, _, err := dnsClient.LookupIP(domain, dns.IPOption{
-		IPv4Enable: (localAddr == nil || localAddr.Family().IsIPv4()) && strategy.preferIP4(),
+		IPv4Enable: (localAddr == nil || localAddr.Family().IsIPv4()) && strategy.PreferIP4(),
-		IPv6Enable: (localAddr == nil || localAddr.Family().IsIPv6()) && strategy.preferIP6(),
+		IPv6Enable: (localAddr == nil || localAddr.Family().IsIPv6()) && strategy.PreferIP6(),
 	})
 	{ // Resolve fallback
-		if (len(ips) == 0 || err != nil) && strategy.hasFallback() && localAddr == nil {
+		if (len(ips) == 0 || err != nil) && strategy.HasFallback() && localAddr == nil {
 			ips, _, err = dnsClient.LookupIP(domain, dns.IPOption{
-				IPv4Enable: strategy.fallbackIP4(),
+				IPv4Enable: strategy.FallbackIP4(),
-				IPv6Enable: strategy.fallbackIP6(),
+				IPv6Enable: strategy.FallbackIP6(),
 			})
 		}
 	}
@@ -113,7 +113,7 @@ func canLookupIP(dst net.Destination, sockopt *SocketConfig) bool {
 	if dst.Address.Family().IsIP() {
 		return false
 	}
-	return sockopt.DomainStrategy.hasStrategy()
+	return sockopt.DomainStrategy.HasStrategy()
 }
 
 func redirect(ctx context.Context, dst net.Destination, obt string, h outbound.Handler) net.Conn {
@@ -249,17 +249,17 @@ func DialSystem(ctx context.Context, dest net.Destination, sockopt *SocketConfig
 	}
 
 	if canLookupIP(dest, sockopt) {
-		ips, err := lookupIP(dest.Address.String(), sockopt.DomainStrategy, src)
+		ips, err := LookupForIP(dest.Address.String(), sockopt.DomainStrategy, src)
 		if err != nil {
 			errors.LogErrorInner(ctx, err, "failed to resolve ip")
-			if sockopt.DomainStrategy.forceIP() {
+			if sockopt.DomainStrategy.ForceIP() {
 				return nil, err
 			}
 		} else if sockopt.HappyEyeballs == nil || sockopt.HappyEyeballs.TryDelayMs == 0 || sockopt.HappyEyeballs.MaxConcurrentTry == 0 || len(ips) < 2 || len(sockopt.DialerProxy) > 0 || dest.Network != net.Network_TCP {
 			dest.Address = net.IPAddress(ips[dice.Roll(len(ips))])
 			errors.LogInfo(ctx, "replace destination with "+dest.String())
 		} else {
-			return TcpRaceDial(ctx, src, ips, dest.Port, sockopt)
+			return TcpRaceDial(ctx, src, ips, dest.Port, sockopt, dest.Address.String())
 		}
 	}
 

transport/internet/happy_eyeballs.go

@@ -2,6 +2,7 @@ package internet
 
 import (
 	"context"
+	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/net"
 	"time"
 )
@@ -12,7 +13,7 @@ type result struct {
 	index int
 }
 
-func TcpRaceDial(ctx context.Context, src net.Address, ips []net.IP, port net.Port, sockopt *SocketConfig) (net.Conn, error) {
+func TcpRaceDial(ctx context.Context, src net.Address, ips []net.IP, port net.Port, sockopt *SocketConfig, domain string) (net.Conn, error) {
 	if len(ips) < 2 {
 		panic("at least 2 ips is required to race dial")
 	}
@@ -30,6 +31,7 @@ func TcpRaceDial(ctx context.Context, src net.Address, ips []net.IP, port net.Po
 	activeNum := uint32(0)
 	timer := time.NewTimer(0)
 	var winConn net.Conn
+	errors.LogDebug(ctx, "happy eyeballs racing dial for ", domain, " with IPs ", ips)
 	for {
 		select {
 		case r := <-resultCh:
@@ -54,6 +56,7 @@ func TcpRaceDial(ctx context.Context, src net.Address, ips []net.IP, port net.Po
 					timer.Stop()
 					if winConn == nil {
 						winConn = r.conn
+						errors.LogDebug(ctx, "happy eyeballs established connection for ", domain, " with IP ", ips[r.index])
 					} else {
 						r.conn.Close()
 					}
@@ -69,6 +72,7 @@ func TcpRaceDial(ctx context.Context, src net.Address, ips []net.IP, port net.Po
 					continue
 				}
 				if activeNum == 0 {
+					errors.LogDebugInner(ctx, r.err, "happy eyeballs no connection established for ", domain)
 					return nil, r.err
 				}
 				timer.Stop()

transport/internet/kcp/cryptreal.go

@@ -1,15 +1,13 @@
 package kcp
 
 import (
-	"crypto/aes"
 	"crypto/cipher"
 	"crypto/sha256"
 
-	"github.com/xtls/xray-core/common"
+	"github.com/xtls/xray-core/common/crypto"
 )
 
 func NewAEADAESGCMBasedOnSeed(seed string) cipher.AEAD {
 	hashedSeed := sha256.Sum256([]byte(seed))
-	aesBlock := common.Must2(aes.NewCipher(hashedSeed[:16])).(cipher.Block)
+	return crypto.NewAesGcm(hashedSeed[:])
-	return common.Must2(cipher.NewGCM(aesBlock)).(cipher.AEAD)
 }

transport/internet/reality/reality.go

@@ -3,8 +3,6 @@ package reality
 import (
 	"bytes"
 	"context"
-	"crypto/aes"
-	"crypto/cipher"
 	"crypto/ecdh"
 	"crypto/ed25519"
 	"crypto/hmac"
@@ -169,8 +167,7 @@ func UClient(c net.Conn, config *Config, ctx context.Context, dest net.Destinati
 		if _, err := hkdf.New(sha256.New, uConn.AuthKey, hello.Random[:20], []byte("REALITY")).Read(uConn.AuthKey); err != nil {
 			return nil, err
 		}
-		block, _ := aes.NewCipher(uConn.AuthKey)
+		aead := crypto.NewAesGcm(uConn.AuthKey)
-		aead, _ := cipher.NewGCM(block)
 		if config.Show {
 			fmt.Printf("REALITY localAddr: %v\tuConn.AuthKey[:16]: %v\tAEAD: %T\n", localAddr, uConn.AuthKey[:16], aead)
 		}

transport/internet/splithttp/dialer.go

@@ -297,7 +297,7 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
 	if transportConfiguration.DownloadSettings != nil {
 		globalDialerAccess.Lock()
 		if streamSettings.DownloadSettings == nil {
-			streamSettings.DownloadSettings = common.Must2(internet.ToMemoryStreamConfig(transportConfiguration.DownloadSettings)).(*internet.MemoryStreamConfig)
+			streamSettings.DownloadSettings = common.Must2(internet.ToMemoryStreamConfig(transportConfiguration.DownloadSettings))
 			if streamSettings.SocketSettings != nil && streamSettings.SocketSettings.Penetrate {
 				streamSettings.DownloadSettings.SocketSettings = streamSettings.SocketSettings
 			}
@@ -489,15 +489,16 @@ func (w uploadWriter) Write(b []byte) (int, error) {
 		}
 	*/
 
-	buffer := buf.New()
+	buffer := buf.MultiBufferContainer{}
-	n, err := buffer.Write(b)
+	common.Must2(buffer.Write(b))
-	if err != nil {
-		return 0, err
-	}
 
-	err = w.WriteMultiBuffer([]*buf.Buffer{buffer})
+	var writed int
-	if err != nil {
+	for _, buff := range buffer.MultiBuffer {
-		return 0, err
+		err := w.WriteMultiBuffer(buf.MultiBuffer{buff})
+		if err != nil {
+			return writed, err
+		}
+		writed += int(buff.Len())
 	}
-	return n, nil
+	return writed, nil
 }

transport/internet/splithttp/splithttp_test.go

@@ -1,6 +1,7 @@
 package splithttp_test
 
 import (
+	"bytes"
 	"context"
 	"crypto/rand"
 	"fmt"
@@ -421,18 +422,12 @@ func Test_maxUpload(t *testing.T) {
 		},
 	}
 
-	var uploadSize int
+	uploadReceived := make([]byte, 10001)
 	listen, err := ListenXH(context.Background(), net.LocalHostIP, listenPort, streamSettings, func(conn stat.Connection) {
 		go func(c stat.Connection) {
 			defer c.Close()
-			var b [10240]byte
 			c.SetReadDeadline(time.Now().Add(2 * time.Second))
-			n, err := c.Read(b[:])
+			io.ReadFull(c, uploadReceived)
-			if err != nil {
-				return
-			}
-
-			uploadSize = n
 
 			common.Must2(c.Write([]byte("Response")))
 		}(conn)
@@ -441,10 +436,12 @@ func Test_maxUpload(t *testing.T) {
 	ctx := context.Background()
 
 	conn, err := Dial(ctx, net.TCPDestination(net.DomainAddress("localhost"), listenPort), streamSettings)
+	common.Must(err)
 
 	// send a slightly too large upload
-	var upload [10001]byte
+	upload := make([]byte, 10001)
-	_, err = conn.Write(upload[:])
+	rand.Read(upload)
+	_, err = conn.Write(upload)
 	common.Must(err)
 
 	var b [10240]byte
@@ -455,8 +452,8 @@ func Test_maxUpload(t *testing.T) {
 	}
 	common.Must(conn.Close())
 
-	if uploadSize > 10000 || uploadSize == 0 {
+	if !bytes.Equal(upload, uploadReceived) {
-		t.Error("incorrect upload size: ", uploadSize)
+		t.Error("incorrect upload", upload, uploadReceived)
 	}
 
 	common.Must(listen.Close())